diff --git a/Content.Shared/Humanoid/Markings/MarkingPrototype.cs b/Content.Shared/Humanoid/Markings/MarkingPrototype.cs
index 10da06d860..1c45ceba98 100644
--- a/Content.Shared/Humanoid/Markings/MarkingPrototype.cs
+++ b/Content.Shared/Humanoid/Markings/MarkingPrototype.cs
@@ -1,20 +1,31 @@
 using Robust.Shared.Prototypes;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype.Array;
 using Robust.Shared.Utility;
 
 namespace Content.Shared.Humanoid.Markings
 {
     [Prototype]
-    public sealed partial class MarkingPrototype : IPrototype
+    public sealed partial class MarkingPrototype : IPrototype, IInheritingPrototype // DEN: Make inheriting
     {
         [IdDataField]
         public string ID { get; private set; } = "uwu";
 
+        // DEN start: Make markings inheriting
+        [ParentDataField(typeof(AbstractPrototypeIdArraySerializer<MarkingPrototype>))]
+        public string[]? Parents { get; private set; }
+
+        [NeverPushInheritance]
+        [AbstractDataField]
+        public bool Abstract { get; private set; }
+        // End DEN
+
         public string Name { get; private set; } = default!;
 
         [DataField("bodyPart", required: true)]
         public HumanoidVisualLayers BodyPart { get; private set; } = default!;
 
         [DataField]
+        [AlwaysPushInheritance] // DEN
         public List<ProtoId<MarkingsGroupPrototype>>? GroupWhitelist;
 
         [DataField("sexRestriction")]
@@ -36,6 +47,20 @@ public sealed partial class MarkingPrototype : IPrototype
         [DataField("sprites", required: true)]
         public List<SpriteSpecifier> Sprites { get; private set; } = default!;
 
+        // DEN start: categorization of markings
+
+        /// <summary>
+        ///     A list of "categories" that this marking belongs to.
+        /// </summary>
+        /// <remarks>
+        ///     This will eventually be used for in-round marking customization - such as interactions that
+        ///     can change your scars, tattoos, gauze wraps, or underwear in the middle of a round.
+        /// </remarks>
+        [DataField]
+        public HashSet<string> Categories = new();
+
+        // DEN end
+
         public Marking AsMarking()
         {
             return new Marking(ID, Sprites.Count);
diff --git a/Resources/Prototypes/Entities/Mobs/Customization/Markings/diona.yml b/Resources/Prototypes/Entities/Mobs/Customization/Markings/diona.yml
index 7d37edb795..01b6f7d937 100644
--- a/Resources/Prototypes/Entities/Mobs/Customization/Markings/diona.yml
+++ b/Resources/Prototypes/Entities/Mobs/Customization/Markings/diona.yml
@@ -1,374 +1,410 @@
+# DEN start: base inheritor
 - type: marking
+  abstract: true
+  parent: [BaseColorWhite, BaseGroupSingleDiona]
+  id: BaseDiona
+# end DEN
+
+- type: marking
+  parent: BaseDiona # DEN
   id: DionaThornsHead
   bodyPart: Head
-  groupWhitelist: [Diona]
-  coloring:
-    default:
-      type:
-        !type:SimpleColoring
-          color: "#FFFFFF"
+  # groupWhitelist: [Diona]
+  # coloring:
+  #   default:
+  #     type:
+  #       !type:SimpleColoring
+  #         color: "#FFFFFF"
   sprites:
   - sprite: Mobs/Customization/diona.rsi
     state: thorns_head
 
 - type: marking
+  parent: BaseDiona # DEN
   id: DionaThornsBody
   bodyPart: Chest
-  groupWhitelist: [Diona]
-  coloring:
-    default:
-      type:
-        !type:SimpleColoring
-          color: "#FFFFFF"
+  # groupWhitelist: [Diona]
+  # coloring:
+  #   default:
+  #     type:
+  #       !type:SimpleColoring
+  #         color: "#FFFFFF"
   sprites:
   - sprite: Mobs/Customization/diona.rsi
     state: thorns_body
 
 - type: marking
+  parent: BaseDiona # DEN
   id: DionaFlowersHead
   bodyPart: Head
-  groupWhitelist: [Diona]
-  coloring:
-    default:
-      type:
-        !type:SimpleColoring
-          color: "#FFFFFF"
+  # groupWhitelist: [Diona]
+  # coloring:
+  #   default:
+  #     type:
+  #       !type:SimpleColoring
+  #         color: "#FFFFFF"
   sprites:
   - sprite: Mobs/Customization/diona.rsi
     state: flowers_head
 
 - type: marking
+  parent: BaseDiona # DEN
   id: DionaFlowersBody
   bodyPart: Chest
-  groupWhitelist: [Diona]
-  coloring:
-    default:
-      type:
-        !type:SimpleColoring
-          color: "#FFFFFF"
+  # groupWhitelist: [Diona]
+  # coloring:
+  #   default:
+  #     type:
+  #       !type:SimpleColoring
+  #         color: "#FFFFFF"
   sprites:
   - sprite: Mobs/Customization/diona.rsi
     state: flowers_body
 
 - type: marking
+  parent: BaseDiona # DEN
   id: DionaLeafCover
   bodyPart: Chest
-  groupWhitelist: [Diona]
-  coloring:
-    default:
-      type:
-        !type:SkinColoring
+  # groupWhitelist: [Diona]
+  # coloring:
+  #   default:
+  #     type:
+  #       !type:SkinColoring
   sprites:
   - sprite: Mobs/Customization/diona.rsi
     state: leaf_cover
 
 - type: marking
+  parent: BaseDiona # DEN
   id: DionaBloomHead
   bodyPart: Head
-  groupWhitelist: [Diona]
-  coloring:
-    default:
-      type:
-        !type:SimpleColoring
-          color: "#FFFFFF"
+  # groupWhitelist: [Diona]
+  # coloring:
+  #   default:
+  #     type:
+  #       !type:SimpleColoring
+  #         color: "#FFFFFF"
   sprites:
   - sprite: Mobs/Customization/diona.rsi
     state: bloom
 
 - type: marking
+  parent: BaseDiona # DEN
   id: DionaBracketHead
   bodyPart: Head
-  groupWhitelist: [Diona]
-  coloring:
-    default:
-      type:
-        !type:SimpleColoring
-          color: "#FFFFFF"
+  # groupWhitelist: [Diona]
+  # coloring:
+  #   default:
+  #     type:
+  #       !type:SimpleColoring
+  #         color: "#FFFFFF"
   sprites:
   - sprite: Mobs/Customization/diona.rsi
     state: bracket
 
 - type: marking
+  parent: BaseDiona # DEN
   id: DionaBrushHead
   bodyPart: Head
-  groupWhitelist: [Diona]
-  coloring:
-    default:
-      type:
-        !type:SkinColoring
+  # groupWhitelist: [Diona]
+  # coloring:
+  #   default:
+  #     type:
+  #       !type:SkinColoring
   sprites:
   - sprite: Mobs/Customization/diona.rsi
     state: brush
 
 - type: marking
+  parent: BaseDiona # DEN
   id: DionaCornflowerHead
   bodyPart: Head
-  groupWhitelist: [Diona]
-  coloring:
-    default:
-      type:
-        !type:SimpleColoring
-          color: "#FFFFFF"
+  # groupWhitelist: [Diona]
+  # coloring:
+  #   default:
+  #     type:
+  #       !type:SimpleColoring
+  #         color: "#FFFFFF"
   sprites:
   - sprite: Mobs/Customization/diona.rsi
     state: cornflower
 
 - type: marking
+  parent: BaseDiona # DEN
   id: DionaFicusHead
   bodyPart: Head
-  groupWhitelist: [Diona]
-  coloring:
-    default:
-      type:
-        !type:SimpleColoring
-          color: "#FFFFFF"
+  # groupWhitelist: [Diona]
+  # coloring:
+  #   default:
+  #     type:
+  #       !type:SimpleColoring
+  #         color: "#FFFFFF"
   sprites:
   - sprite: Mobs/Customization/diona.rsi
     state: ficus
 
 - type: marking
+  parent: BaseDiona # DEN
   id: DionaGarlandHead
   bodyPart: Head
-  groupWhitelist: [Diona]
-  coloring:
-    default:
-      type:
-        !type:SimpleColoring
-          color: "#FFFFFF"
+  # groupWhitelist: [Diona]
+  # coloring:
+  #   default:
+  #     type:
+  #       !type:SimpleColoring
+  #         color: "#FFFFFF"
   sprites:
   - sprite: Mobs/Customization/diona.rsi
     state: garland
 
 - type: marking
+  parent: BaseDiona # DEN
   id: DionaKingHead
   bodyPart: Head
-  groupWhitelist: [Diona]
-  coloring:
-    default:
-      type:
-        !type:SimpleColoring
-          color: "#FFFFFF"
+  # groupWhitelist: [Diona]
+  # coloring:
+  #   default:
+  #     type:
+  #       !type:SimpleColoring
+  #         color: "#FFFFFF"
   sprites:
   - sprite: Mobs/Customization/diona.rsi
     state: king
 
 - type: marking
+  parent: BaseDiona # DEN
   id: DionaLaurelHead
   bodyPart: Head
-  groupWhitelist: [Diona]
-  coloring:
-    default:
-      type:
-        !type:SimpleColoring
-          color: "#FFFFFF"
+  # groupWhitelist: [Diona]
+  # coloring:
+  #   default:
+  #     type:
+  #       !type:SimpleColoring
+  #         color: "#FFFFFF"
   sprites:
   - sprite: Mobs/Customization/diona.rsi
     state: laurel
 
 - type: marking
+  parent: BaseDiona # DEN
   id: DionaLeafyHeadTop
   bodyPart: HeadTop
-  groupWhitelist: [Diona]
-  coloring:
-    default:
-      type:
-        !type:SimpleColoring
-          color: "#FFFFFF"
+  # groupWhitelist: [Diona]
+  # coloring:
+  #   default:
+  #     type:
+  #       !type:SimpleColoring
+  #         color: "#FFFFFF"
   sprites:
   - sprite: Mobs/Customization/diona.rsi
     state: leafy
 
 - type: marking
+  parent: BaseDiona # DEN
   id: DionaLotusHead
   bodyPart: Head
-  groupWhitelist: [Diona]
-  coloring:
-    default:
-      type:
-        !type:SimpleColoring
-          color: "#FFFFFF"
+  # groupWhitelist: [Diona]
+  # coloring:
+  #   default:
+  #     type:
+  #       !type:SimpleColoring
+  #         color: "#FFFFFF"
   sprites:
   - sprite: Mobs/Customization/diona.rsi
     state: lotus
 
 - type: marking
+  parent: BaseDiona # DEN
   id: DionaMeadowHeadTop
   bodyPart: HeadTop
-  groupWhitelist: [Diona]
-  coloring:
-    default:
-      type:
-        !type:SimpleColoring
-          color: "#FFFFFF"
+  # groupWhitelist: [Diona]
+  # coloring:
+  #   default:
+  #     type:
+  #       !type:SimpleColoring
+  #         color: "#FFFFFF"
   sprites:
   - sprite: Mobs/Customization/diona.rsi
     state: meadow
 
 - type: marking
+  parent: BaseDiona # DEN
   id: DionaOakHead
   bodyPart: Head
-  groupWhitelist: [Diona]
-  coloring:
-    default:
-      type:
-        !type:SimpleColoring
-          color: "#FFFFFF"
+  # groupWhitelist: [Diona]
+  # coloring:
+  #   default:
+  #     type:
+  #       !type:SimpleColoring
+  #         color: "#FFFFFF"
   sprites:
   - sprite: Mobs/Customization/diona.rsi
     state: oak
 
 - type: marking
+  parent: BaseDiona # DEN
   id: DionaPalmHead
   bodyPart: Head
-  groupWhitelist: [Diona]
-  coloring:
-    default:
-      type:
-        !type:SimpleColoring
-          color: "#FFFFFF"
+  # groupWhitelist: [Diona]
+  # coloring:
+  #   default:
+  #     type:
+  #       !type:SimpleColoring
+  #         color: "#FFFFFF"
   sprites:
   - sprite: Mobs/Customization/diona.rsi
     state: palm
 
 - type: marking
+  parent: BaseDiona # DEN
   id: DionaRootHead
   bodyPart: Head
-  groupWhitelist: [Diona]
-  coloring:
-    default:
-      type:
-        !type:SimpleColoring
-          color: "#FFFFFF"
+  # groupWhitelist: [Diona]
+  # coloring:
+  #   default:
+  #     type:
+  #       !type:SimpleColoring
+  #         color: "#FFFFFF"
   sprites:
   - sprite: Mobs/Customization/diona.rsi
     state: root
 
 - type: marking
+  parent: BaseDiona # DEN
   id: DionaRoseHead
   bodyPart: Head
-  groupWhitelist: [Diona]
-  coloring:
-    default:
-      type:
-        !type:SimpleColoring
-          color: "#FFFFFF"
+  # groupWhitelist: [Diona]
+  # coloring:
+  #   default:
+  #     type:
+  #       !type:SimpleColoring
+  #         color: "#FFFFFF"
   sprites:
   - sprite: Mobs/Customization/diona.rsi
     state: rose
 
 - type: marking
+  parent: BaseDiona # DEN
   id: DionaRoseyHead
   bodyPart: Head
-  groupWhitelist: [Diona]
-  coloring:
-    default:
-      type:
-        !type:SimpleColoring
-          color: "#FFFFFF"
+  # groupWhitelist: [Diona]
+  # coloring:
+  #   default:
+  #     type:
+  #       !type:SimpleColoring
+  #         color: "#FFFFFF"
   sprites:
   - sprite: Mobs/Customization/diona.rsi
     state: rosey
 
 - type: marking
+  parent: BaseDiona # DEN
   id: DionaShrubHeadTop
   bodyPart: HeadTop
-  groupWhitelist: [Diona]
-  coloring:
-    default:
-      type:
-        !type:SimpleColoring
-          color: "#FFFFFF"
+  # groupWhitelist: [Diona]
+  # coloring:
+  #   default:
+  #     type:
+  #       !type:SimpleColoring
+  #         color: "#FFFFFF"
   sprites:
   - sprite: Mobs/Customization/diona.rsi
     state: shrub
 
 - type: marking
+  parent: BaseDiona # DEN
   id: DionaSpinnerHeadSide
   bodyPart: HeadSide
-  groupWhitelist: [Diona]
-  coloring:
-    default:
-      type:
-        !type:SimpleColoring
-          color: "#FFFFFF"
+  # groupWhitelist: [Diona]
+  # coloring:
+  #   default:
+  #     type:
+  #       !type:SimpleColoring
+  #         color: "#FFFFFF"
   sprites:
   - sprite: Mobs/Customization/diona.rsi
     state: spinner
 
 - type: marking
+  parent: BaseDiona # DEN
   id: DionaSproutHeadSide
   bodyPart: HeadSide
-  groupWhitelist: [Diona]
-  coloring:
-    default:
-      type:
-        !type:SimpleColoring
-          color: "#FFFFFF"
+  # groupWhitelist: [Diona]
+  # coloring:
+  #   default:
+  #     type:
+  #       !type:SimpleColoring
+  #         color: "#FFFFFF"
   sprites:
   - sprite: Mobs/Customization/diona.rsi
     state: sprout
 
 - type: marking
+  parent: BaseDiona # DEN
   id: DionaVineHeadTop
   bodyPart: HeadTop
-  groupWhitelist: [Diona]
-  coloring:
-    default:
-      type:
-        !type:SimpleColoring
-          color: "#FFFFFF"
+  # groupWhitelist: [Diona]
+  # coloring:
+  #   default:
+  #     type:
+  #       !type:SimpleColoring
+  #         color: "#FFFFFF"
   sprites:
   - sprite: Mobs/Customization/diona.rsi
     state: vine
 
 - type: marking
+  parent: BaseDiona # DEN
   id: DionaVinelHead
   bodyPart: Head
-  groupWhitelist: [Diona]
-  coloring:
-    default:
-      type:
-        !type:SimpleColoring
-          color: "#FFFFFF"
+  # groupWhitelist: [Diona]
+  # coloring:
+  #   default:
+  #     type:
+  #       !type:SimpleColoring
+  #         color: "#FFFFFF"
   sprites:
   - sprite: Mobs/Customization/diona.rsi
     state: vinel
 
 - type: marking
+  parent: BaseDiona # DEN
   id: DionaVinesHead
   bodyPart: Head
-  groupWhitelist: [Diona]
-  coloring:
-    default:
-      type:
-        !type:SimpleColoring
-          color: "#FFFFFF"
+  # groupWhitelist: [Diona]
+  # coloring:
+  #   default:
+  #     type:
+  #       !type:SimpleColoring
+  #         color: "#FFFFFF"
   sprites:
   - sprite: Mobs/Customization/diona.rsi
     state: vines
 
 - type: marking
+  parent: BaseDiona # DEN
   id: DionaWildflowerHead
   bodyPart: Head
-  groupWhitelist: [Diona]
-  coloring:
-    default:
-      type:
-        !type:SimpleColoring
-          color: "#FFFFFF"
+  # groupWhitelist: [Diona]
+  # coloring:
+  #   default:
+  #     type:
+  #       !type:SimpleColoring
+  #         color: "#FFFFFF"
   sprites:
   - sprite: Mobs/Customization/diona.rsi
     state: wildflower
 
 - type: marking
+  parent: BaseDiona # DEN
   id: DionaVineOverlay
   bodyPart: Overlay
-  groupWhitelist: [Diona]
-  coloring:
-    default:
-      type:
-        !type:SimpleColoring
-        color: "#5f7039"
+  # groupWhitelist: [Diona]
+  # coloring:
+  #   default:
+  #     type:
+  #       !type:SimpleColoring
+  #       color: "#5f7039"
   sprites:
   - sprite: Mobs/Customization/diona.rsi
     state: overlay
diff --git a/Resources/Prototypes/Entities/Mobs/Customization/Markings/scars.yml b/Resources/Prototypes/Entities/Mobs/Customization/Markings/scars.yml
index 26c223c223..ee12ee0551 100644
--- a/Resources/Prototypes/Entities/Mobs/Customization/Markings/scars.yml
+++ b/Resources/Prototypes/Entities/Mobs/Customization/Markings/scars.yml
@@ -1,97 +1,109 @@
 - type: marking
+  parent: BaseScarEye # DEN
   id: ScarEyeRight
-  bodyPart: Head
-  groupWhitelist: [Human, Vulpkanin] # DEN - add Vulpkanin
+  # bodyPart: Head
+  # groupWhitelist: [Human]
   sprites:
   - sprite: Mobs/Customization/scars.rsi
     state: scar_eye_right
 
 - type: marking
+  parent: BaseScarEye # DEN
   id: ScarEyeLeft
-  bodyPart: Head
-  groupWhitelist: [Human, Vulpkanin] # DEN - add Vulpkanin
+  # bodyPart: Head
+  # groupWhitelist: [Human]
   sprites:
   - sprite: Mobs/Customization/scars.rsi
     state: scar_eye_left
 
 - type: marking
+  parent: BaseScarChest # DEN
   id: ScarTopSurgeryShort
-  bodyPart: Chest
-  groupWhitelist: [Human, Reptilian, Moth, Arachnid, Diona, Vulpkanin] # DEN - add Vulpkanin
+  # bodyPart: Chest
+  # groupWhitelist: [Human, Reptilian, Moth, Arachnid, Diona]
   sexRestriction: [Male]
   sprites:
   - sprite: Mobs/Customization/scars.rsi
     state: scar_top_surgery_short
 
 - type: marking
+  parent: BaseScarChest # DEN
   id: ScarTopSurgeryLong
-  bodyPart: Chest
-  groupWhitelist: [Human, Reptilian, Moth, Arachnid, Diona, Vulpkanin] # DEN - add Vulpkanin
+  # bodyPart: Chest
+  # groupWhitelist: [Human, Reptilian, Moth, Arachnid, Diona]
   sexRestriction: [Male]
   sprites:
   - sprite: Mobs/Customization/scars.rsi
     state: scar_top_surgery_long
 
 - type: marking
+  parent: BaseScarChest # DEN
   id: ScarChest
-  bodyPart: Chest
-  groupWhitelist: [Human, Reptilian, Moth, Arachnid, Diona, Vulpkanin] # DEN - add Vulpkanin
+  # bodyPart: Chest
+  # groupWhitelist: [Human, Reptilian, Moth, Arachnid, Diona]
   sprites:
   - sprite: Mobs/Customization/scars.rsi
     state: scar_chest
 
 - type: marking
+  parent: BaseScarHead # DEN
   id: ScarNeck
-  bodyPart: Head
-  groupWhitelist: [Human, Reptilian, Vulpkanin] # DEN - add Vulpkanin
+  # bodyPart: Head
+  # groupWhitelist: [Human, Reptilian]
   sprites:
   - sprite: Mobs/Customization/scars.rsi
     state: scar_neck
 
 - type: marking
+  parent: BaseScarChest # DEN
   id: ScarChestBullets
-  bodyPart: Chest
-  groupWhitelist: [Human, Reptilian, Moth, Arachnid, Vulpkanin] # DEN - add Vulpkanin
+  # bodyPart: Chest
+  # groupWhitelist: [Human, Reptilian, Moth, Arachnid]
   sprites:
   - sprite: Mobs/Customization/scars.rsi
     state: scar_chest_bullets
 
 - type: marking
+  parent: BaseScarChest # DEN
   id: ScarStomachBullets
-  bodyPart: Chest
-  groupWhitelist: [Human, Reptilian, Moth, Arachnid, Vulpkanin] # DEN - add Vulpkanin
+  # bodyPart: Chest
+  # groupWhitelist: [Human, Reptilian, Moth, Arachnid]
   sprites:
   - sprite: Mobs/Customization/scars.rsi
     state: scar_stomach_bullets
 
 - type: marking
+  parent: BaseScarHead # DEN
   id: ScarFace1
-  bodyPart: Head
-  groupWhitelist: [Human, Reptilian, Moth, Vulpkanin] # DEN - add Vulpkanin
+  # bodyPart: Head
+  # groupWhitelist: [Human, Reptilian, Moth]
   sprites:
   - sprite: Mobs/Customization/scars.rsi
     state: scar_face_1
 
 - type: marking
+  parent: BaseScarHead # DEN
   id: ScarFace2
-  bodyPart: Head
-  groupWhitelist: [Human, Reptilian, Moth, Vulpkanin] # DEN - add Vulpkanin
+  # bodyPart: Head
+  # groupWhitelist: [Human, Reptilian, Moth]
   sprites:
   - sprite: Mobs/Customization/scars.rsi
     state: scar_face_2
 
 - type: marking
+  parent: BaseScarEye # DEN
   id: ScarEyeRightSmall
-  bodyPart: Head
-  groupWhitelist: [Human, Reptilian, Vulpkanin] # DEN - add Vulpkanin
+  # bodyPart: Head
+  # groupWhitelist: [Human, Reptilian]
   sprites:
   - sprite: Mobs/Customization/scars.rsi
     state: scar_eye_right_small
 
 - type: marking
+  parent: BaseScarEye # DEN
   id: ScarEyeLeftSmall
-  bodyPart: Head
-  groupWhitelist: [Human, Reptilian, Vulpkanin] # DEN - add Vulpkanin
+  # bodyPart: Head
+  # groupWhitelist: [Human, Reptilian]
   sprites:
   - sprite: Mobs/Customization/scars.rsi
     state: scar_eye_left_small
diff --git a/Resources/Prototypes/Entities/Mobs/Customization/Markings/undergarments.yml b/Resources/Prototypes/Entities/Mobs/Customization/Markings/undergarments.yml
index e1de3807c1..112ceeee15 100644
--- a/Resources/Prototypes/Entities/Mobs/Customization/Markings/undergarments.yml
+++ b/Resources/Prototypes/Entities/Mobs/Customization/Markings/undergarments.yml
@@ -1,291 +1,321 @@
 # These options are kept very sparse to not put emphasis on nudity, and to provide a base for players to feel comfortable with.
-# It's unlikely more will be added to upstream for cosmetic reasons. 
+# It's unlikely more will be added to upstream for cosmetic reasons.
+
+# (DEN comment: Ignore the above two comments.)
 
 - type: marking
+  parent: BaseUndergarmentBottomGeneral # DEN
   id: UndergarmentBottomBoxers
-  bodyPart: UndergarmentBottom
-  groupWhitelist: [Arachnid, Diona, Human, Moth, Slime]
-  coloring:
-    default:
-      type: null
-      fallbackColor: '#FFFFFF'
+  # bodyPart: UndergarmentBottom
+  # groupWhitelist: [Arachnid, Diona, Human, Moth, Slime]
+  # coloring:
+  #   default:
+  #     type: null
+  #     fallbackColor: '#FFFFFF'
   sprites:
   - sprite: Mobs/Customization/undergarments.rsi
     state: boxers
 
 - type: marking
+  parent: BaseUndergarmentBottomGeneral # DEN
   id: UndergarmentBottomBriefs
-  bodyPart: UndergarmentBottom
-  groupWhitelist: [Arachnid, Diona, Human, Moth, Slime]
-  coloring:
-    default:
-      type: null
-      fallbackColor: '#FFFFFF'
+  # bodyPart: UndergarmentBottom
+  # groupWhitelist: [Arachnid, Diona, Human, Moth, Slime]
+  # coloring:
+  #   default:
+  #     type: null
+  #     fallbackColor: '#FFFFFF'
   sprites:
   - sprite: Mobs/Customization/undergarments.rsi
     state: briefs
 
 - type: marking
+  parent: BaseUndergarmentBottomGeneral # DEN
   id: UndergarmentBottomSatin
-  bodyPart: UndergarmentBottom
-  groupWhitelist: [Arachnid, Diona, Human, Moth, Slime]
-  coloring:
-    default:
-      type: null
-      fallbackColor: '#FFFFFF'
+  # bodyPart: UndergarmentBottom
+  # groupWhitelist: [Arachnid, Diona, Human, Moth, Slime]
+  # coloring:
+  #   default:
+  #     type: null
+  #     fallbackColor: '#FFFFFF'
   sprites:
   - sprite: Mobs/Customization/undergarments.rsi
     state: satin
 
 - type: marking
+  parent: BaseUndergarmentTopGeneral # DEN
   id: UndergarmentTopBra
-  bodyPart: UndergarmentTop
-  groupWhitelist: [Arachnid, Diona, Human, Moth, Reptilian, Slime]
-  coloring:
-    default:
-      type: null
-      fallbackColor: '#FFFFFF'
+  # bodyPart: UndergarmentTop
+  # groupWhitelist: [Arachnid, Diona, Human, Moth, Reptilian, Slime]
+  # coloring:
+  #   default:
+  #     type: null
+  #     fallbackColor: '#FFFFFF'
   sprites:
   - sprite: Mobs/Customization/undergarments.rsi
     state: classic
 
 - type: marking
+  parent: BaseUndergarmentTopGeneral # DEN
   id: UndergarmentTopSportsbra
-  bodyPart: UndergarmentTop
-  groupWhitelist: [Arachnid, Diona, Human, Moth, Reptilian, Slime]
-  coloring:
-    default:
-      type: null
-      fallbackColor: '#FFFFFF'
+  # bodyPart: UndergarmentTop
+  # groupWhitelist: [Arachnid, Diona, Human, Moth, Reptilian, Slime]
+  # coloring:
+  #   default:
+  #     type: null
+  #     fallbackColor: '#FFFFFF'
   sprites:
   - sprite: Mobs/Customization/undergarments.rsi
     state: sports
 
 - type: marking
+  parent: BaseUndergarmentTopGeneral # DEN
   id: UndergarmentTopBinder
-  bodyPart: UndergarmentTop
-  groupWhitelist: [Arachnid, Diona, Human, Moth, Reptilian, Slime]
-  coloring:
-    default:
-      type: null
-      fallbackColor: '#FFFFFF'
+  # bodyPart: UndergarmentTop
+  # groupWhitelist: [Arachnid, Diona, Human, Moth, Reptilian, Slime]
+  # coloring:
+  #   default:
+  #     type: null
+  #     fallbackColor: '#FFFFFF'
   sprites:
   - sprite: Mobs/Customization/undergarments.rsi
     state: binder
 
 - type: marking
+  parent: BaseUndergarmentTopGeneral # DEN
   id: UndergarmentTopTanktop
-  bodyPart: UndergarmentTop
-  groupWhitelist: [Arachnid, Diona, Human, Moth, Reptilian, Slime]
-  coloring:
-    default:
-      type: null
-      fallbackColor: '#FFFFFF'
+  # bodyPart: UndergarmentTop
+  # groupWhitelist: [Arachnid, Diona, Human, Moth, Reptilian, Slime]
+  # coloring:
+  #   default:
+  #     type: null
+  #     fallbackColor: '#FFFFFF'
   sprites:
   - sprite: Mobs/Customization/undergarments.rsi
     state: tanktop
 
+# ========================================
+# DEN COMMENT: Vox markings start
+# ========================================
+
 - type: marking
+  parent: BaseUndergarmentBottomVox # DEN
   id: UndergarmentBottomBoxersVox # Voxers.
-  bodyPart: UndergarmentBottom
-  groupWhitelist: [Vox]
-  coloring:
-    default:
-      type: null
-      fallbackColor: '#FFFFFF'
+  # bodyPart: UndergarmentBottom
+  # groupWhitelist: [Vox]
+  # coloring:
+  #   default:
+  #     type: null
+  #     fallbackColor: '#FFFFFF'
   sprites:
   - sprite: Mobs/Customization/undergarments.rsi
     state: boxers_vox
 
 - type: marking
+  parent: BaseUndergarmentBottomVox # DEN
   id: UndergarmentBottomBriefsVox
-  bodyPart: UndergarmentBottom
-  groupWhitelist: [Vox]
-  coloring:
-    default:
-      type: null
-      fallbackColor: '#FFFFFF'
+  # bodyPart: UndergarmentBottom
+  # groupWhitelist: [Vox]
+  # coloring:
+  #   default:
+  #     type: null
+  #     fallbackColor: '#FFFFFF'
   sprites:
   - sprite: Mobs/Customization/undergarments.rsi
     state: briefs_vox
 
 - type: marking
+  parent: BaseUndergarmentBottomVox # DEN
   id: UndergarmentBottomSatinVox
-  bodyPart: UndergarmentBottom
-  groupWhitelist: [Vox]
-  coloring:
-    default:
-      type: null
-      fallbackColor: '#FFFFFF'
+  # bodyPart: UndergarmentBottom
+  # groupWhitelist: [Vox]
+  # coloring:
+  #   default:
+  #     type: null
+  #     fallbackColor: '#FFFFFF'
   sprites:
   - sprite: Mobs/Customization/undergarments.rsi
     state: satin_vox
 
 - type: marking
+  parent: BaseUndergarmentTopVox # DEN
   id: UndergarmentTopBraVox
-  bodyPart: UndergarmentTop
-  groupWhitelist: [Vox]
-  coloring:
-    default:
-      type: null
-      fallbackColor: '#FFFFFF'
+  # bodyPart: UndergarmentTop
+  # groupWhitelist: [Vox]
+  # coloring:
+  #   default:
+  #     type: null
+  #     fallbackColor: '#FFFFFF'
   sprites:
   - sprite: Mobs/Customization/undergarments.rsi
     state: classic_vox
 
 - type: marking
+  parent: BaseUndergarmentTopVox # DEN
   id: UndergarmentTopSportsbraVox
-  bodyPart: UndergarmentTop
-  groupWhitelist: [Vox]
-  coloring:
-    default:
-      type: null
-      fallbackColor: '#FFFFFF'
+  # bodyPart: UndergarmentTop
+  # groupWhitelist: [Vox]
+  # coloring:
+  #   default:
+  #     type: null
+  #     fallbackColor: '#FFFFFF'
   sprites:
   - sprite: Mobs/Customization/undergarments.rsi
     state: sports_vox
 
 - type: marking
+  parent: BaseUndergarmentTopVox # DEN
   id: UndergarmentTopBinderVox
-  bodyPart: UndergarmentTop
-  groupWhitelist: [Vox]
-  coloring:
-    default:
-      type: null
-      fallbackColor: '#FFFFFF'
+  # bodyPart: UndergarmentTop
+  # groupWhitelist: [Vox]
+  # coloring:
+  #   default:
+  #     type: null
+  #     fallbackColor: '#FFFFFF'
   sprites:
   - sprite: Mobs/Customization/undergarments.rsi
     state: binder_vox
 
 - type: marking
+  parent: BaseUndergarmentTopVox # DEN
   id: UndergarmentTopTanktopVox
-  bodyPart: UndergarmentTop
-  groupWhitelist: [Vox]
-  coloring:
-    default:
-      type: null
-      fallbackColor: '#FFFFFF'
+  # bodyPart: UndergarmentTop
+  # groupWhitelist: [Vox]
+  # coloring:
+  #   default:
+  #     type: null
+  #     fallbackColor: '#FFFFFF'
   sprites:
   - sprite: Mobs/Customization/undergarments.rsi
     state: tanktop_vox
 
+# ========================================
+# DEN COMMENT: Reptilian markings start
+# ========================================
+
 - type: marking
+  parent: BaseUndergarmentBottomReptilian # DEN
   id: UndergarmentBottomBoxersReptilian
-  bodyPart: UndergarmentBottom
-  groupWhitelist: [Reptilian]
-  coloring:
-    default:
-      type: null
-      fallbackColor: '#FFFFFF'
+  # bodyPart: UndergarmentBottom
+  # groupWhitelist: [Reptilian]
+  # coloring:
+  #   default:
+  #     type: null
+  #     fallbackColor: '#FFFFFF'
   sprites:
   - sprite: Mobs/Customization/undergarments.rsi
     state: boxers_reptilian
 
 - type: marking
+  parent: BaseUndergarmentBottomReptilian # DEN
   id: UndergarmentBottomBriefsReptilian
-  bodyPart: UndergarmentBottom
-  groupWhitelist: [Reptilian]
-  coloring:
-    default:
-      type: null
-      fallbackColor: '#FFFFFF'
+  # bodyPart: UndergarmentBottom
+  # groupWhitelist: [Reptilian]
+  # coloring:
+  #   default:
+  #     type: null
+  #     fallbackColor: '#FFFFFF'
   sprites:
   - sprite: Mobs/Customization/undergarments.rsi
     state: briefs_reptilian
 
 - type: marking
+  parent: BaseUndergarmentBottomReptilian # DEN
   id: UndergarmentBottomSatinReptilian
-  bodyPart: UndergarmentBottom
-  groupWhitelist: [Reptilian]
-  coloring:
-    default:
-      type: null
-      fallbackColor: '#FFFFFF'
+  # bodyPart: UndergarmentBottom
+  # groupWhitelist: [Reptilian]
+  # coloring:
+  #   default:
+  #     type: null
+  #     fallbackColor: '#FFFFFF'
   sprites:
   - sprite: Mobs/Customization/undergarments.rsi
     state: satin_reptilian
 
-- type: marking
-  id: UndergarmentBottomBoxersVulpkanin
-  bodyPart: UndergarmentBottom
-  groupWhitelist: [Vulpkanin]
-  coloring:
-    default:
-      type: null
-      fallbackColor: '#FFFFFF'
-  sprites:
-  - sprite: Mobs/Customization/undergarments.rsi
-    state: boxers_vulpkanin
+# DEN start: Comment out all of these, because we use Paradise sprites
 
-- type: marking
-  id: UndergarmentBottomBriefsVulpkanin
-  bodyPart: UndergarmentBottom
-  groupWhitelist: [Vulpkanin]
-  coloring:
-    default:
-      type: null
-      fallbackColor: '#FFFFFF'
-  sprites:
-  - sprite: Mobs/Customization/undergarments.rsi
-    state: briefs_vulpkanin
+# - type: marking
+#   id: UndergarmentBottomBoxersVulpkanin
+#   bodyPart: UndergarmentBottom
+#   groupWhitelist: [Vulpkanin]
+#   coloring:
+#     default:
+#       type: null
+#       fallbackColor: '#FFFFFF'
+#   sprites:
+#   - sprite: Mobs/Customization/undergarments.rsi
+#     state: boxers_vulpkanin
 
-- type: marking
-  id: UndergarmentBottomSatinVulpkanin
-  bodyPart: UndergarmentBottom
-  groupWhitelist: [Vulpkanin]
-  coloring:
-    default:
-      type: null
-      fallbackColor: '#FFFFFF'
-  sprites:
-  - sprite: Mobs/Customization/undergarments.rsi
-    state: satin_vulpkanin
+# - type: marking
+#   id: UndergarmentBottomBriefsVulpkanin
+#   bodyPart: UndergarmentBottom
+#   groupWhitelist: [Vulpkanin]
+#   coloring:
+#     default:
+#       type: null
+#       fallbackColor: '#FFFFFF'
+#   sprites:
+#   - sprite: Mobs/Customization/undergarments.rsi
+#     state: briefs_vulpkanin
 
-- type: marking
-  id: UndergarmentTopBraVulpkanin
-  bodyPart: UndergarmentTop
-  groupWhitelist: [Vulpkanin]
-  coloring:
-    default:
-      type: null
-      fallbackColor: '#FFFFFF'
-  sprites:
-  - sprite: Mobs/Customization/undergarments.rsi
-    state: classic_vulpkanin
+# - type: marking
+#   id: UndergarmentBottomSatinVulpkanin
+#   bodyPart: UndergarmentBottom
+#   groupWhitelist: [Vulpkanin]
+#   coloring:
+#     default:
+#       type: null
+#       fallbackColor: '#FFFFFF'
+#   sprites:
+#   - sprite: Mobs/Customization/undergarments.rsi
+#     state: satin_vulpkanin
 
-- type: marking
-  id: UndergarmentTopSportsbraVulpkanin
-  bodyPart: UndergarmentTop
-  groupWhitelist: [Vulpkanin]
-  coloring:
-    default:
-      type: null
-      fallbackColor: '#FFFFFF'
-  sprites:
-  - sprite: Mobs/Customization/undergarments.rsi
-    state: sports_vulpkanin
+# - type: marking
+#   id: UndergarmentTopBraVulpkanin
+#   bodyPart: UndergarmentTop
+#   groupWhitelist: [Vulpkanin]
+#   coloring:
+#     default:
+#       type: null
+#       fallbackColor: '#FFFFFF'
+#   sprites:
+#   - sprite: Mobs/Customization/undergarments.rsi
+#     state: classic_vulpkanin
 
-- type: marking
-  id: UndergarmentTopBinderVulpkanin
-  bodyPart: UndergarmentTop
-  groupWhitelist: [Vulpkanin]
-  coloring:
-    default:
-      type: null
-      fallbackColor: '#FFFFFF'
-  sprites:
-  - sprite: Mobs/Customization/undergarments.rsi
-    state: binder_vulpkanin
+# - type: marking
+#   id: UndergarmentTopSportsbraVulpkanin
+#   bodyPart: UndergarmentTop
+#   groupWhitelist: [Vulpkanin]
+#   coloring:
+#     default:
+#       type: null
+#       fallbackColor: '#FFFFFF'
+#   sprites:
+#   - sprite: Mobs/Customization/undergarments.rsi
+#     state: sports_vulpkanin
 
-- type: marking
-  id: UndergarmentTopTanktopVulpkanin
-  bodyPart: UndergarmentTop
-  groupWhitelist: [Vulpkanin]
-  coloring:
-    default:
-      type: null
-      fallbackColor: '#FFFFFF'
-  sprites:
-  - sprite: Mobs/Customization/undergarments.rsi
-    state: tanktop_vulpkanin
-    
\ No newline at end of file
+# - type: marking
+#   id: UndergarmentTopBinderVulpkanin
+#   bodyPart: UndergarmentTop
+#   groupWhitelist: [Vulpkanin]
+#   coloring:
+#     default:
+#       type: null
+#       fallbackColor: '#FFFFFF'
+#   sprites:
+#   - sprite: Mobs/Customization/undergarments.rsi
+#     state: binder_vulpkanin
+
+# - type: marking
+#   id: UndergarmentTopTanktopVulpkanin
+#   bodyPart: UndergarmentTop
+#   groupWhitelist: [Vulpkanin]
+#   coloring:
+#     default:
+#       type: null
+#       fallbackColor: '#FFFFFF'
+#   sprites:
+#   - sprite: Mobs/Customization/undergarments.rsi
+#     state: tanktop_vulpkanin
+
+# DEN end
diff --git a/Resources/Prototypes/Entities/Mobs/Customization/Markings/vox_scars.yml b/Resources/Prototypes/Entities/Mobs/Customization/Markings/vox_scars.yml
index ce48e869bb..91a3b9305f 100644
--- a/Resources/Prototypes/Entities/Mobs/Customization/Markings/vox_scars.yml
+++ b/Resources/Prototypes/Entities/Mobs/Customization/Markings/vox_scars.yml
@@ -1,4 +1,5 @@
 - type: marking
+  parent: BaseScar # DEN
   id: VoxScarEyeRight
   bodyPart: Head
   groupWhitelist: [Vox]
@@ -7,6 +8,7 @@
     state: vox_scar_eye_right
 
 - type: marking
+  parent: BaseScar # DEN
   id: VoxScarEyeLeft
   bodyPart: Head
   groupWhitelist: [Vox]
@@ -15,6 +17,7 @@
     state: vox_scar_eye_left
 
 - type: marking
+  parent: BaseScar # DEN
   id: VoxScarTopSurgeryShort
   bodyPart: Chest
   groupWhitelist: [Vox]
@@ -23,6 +26,7 @@
     state: vox_top_surgery_short
 
 - type: marking
+  parent: BaseScar # DEN
   id: VoxScarTopSurgeryLong
   bodyPart: Chest
   groupWhitelist: [Vox]
@@ -31,6 +35,7 @@
     state: vox_top_surgery_long
 
 - type: marking
+  parent: BaseScar # DEN
   id: VoxScarChest
   bodyPart: Chest
   groupWhitelist: [Vox]
@@ -39,6 +44,7 @@
     state: vox_scar_chest
 
 - type: marking
+  parent: BaseScar # DEN
   id: VoxScarNeck
   bodyPart: Head
   groupWhitelist: [Vox]
@@ -47,6 +53,7 @@
     state: vox_scar_neck
 
 - type: marking
+  parent: BaseScar # DEN
   id: VoxScarChestBullets
   bodyPart: Chest
   groupWhitelist: [Vox]
@@ -55,6 +62,7 @@
     state: vox_scar_chest_bullets
 
 - type: marking
+  parent: BaseScar # DEN
   id: VoxScarStomachBullets
   bodyPart: Chest
   groupWhitelist: [Vox]
@@ -63,6 +71,7 @@
     state: vox_scar_stomach_bullets
 
 - type: marking
+  parent: BaseScar # DEN
   id: VoxScarFace1
   bodyPart: Head
   groupWhitelist: [Vox]
@@ -71,6 +80,7 @@
     state: vox_scar_face_1
 
 - type: marking
+  parent: BaseScar # DEN
   id: VoxScarFace2
   bodyPart: Head
   groupWhitelist: [Vox]
@@ -79,6 +89,7 @@
     state: vox_scar_face_2
 
 - type: marking
+  parent: BaseScar # DEN
   id: VoxScarEyeRightSmall
   bodyPart: Head
   groupWhitelist: [Vox]
@@ -87,9 +98,10 @@
     state: vox_scar_eye_right_small
 
 - type: marking
+  parent: BaseScar # DEN
   id: VoxScarEyeLeftSmall
   bodyPart: Head
   groupWhitelist: [Vox]
   sprites:
   - sprite: Mobs/Customization/vox_scars.rsi
-    state: vox_scar_eye_left_small
\ No newline at end of file
+    state: vox_scar_eye_left_small
diff --git a/Resources/Prototypes/_DEN/Entities/Mobs/Customization/Markings/base.yml b/Resources/Prototypes/_DEN/Entities/Mobs/Customization/Markings/base.yml
new file mode 100644
index 0000000000..53896956b1
--- /dev/null
+++ b/Resources/Prototypes/_DEN/Entities/Mobs/Customization/Markings/base.yml
@@ -0,0 +1,81 @@
+# Helper base markings
+
+- type: marking
+  abstract: true
+  id: BaseColorWhite
+  coloring:
+    default:
+      type: null
+      fallbackColor: '#FFFFFF'
+
+# Marking types
+
+## Scars
+
+- type: marking
+  abstract: true
+  id: BaseScar
+  categories: [Scar]
+
+- type: marking
+  abstract: true
+  parent: BaseGroupsGeneralScarHead
+  id: BaseScarHead
+  bodyPart: Head
+
+- type: marking
+  abstract: true
+  parent: BaseGroupsGeneralScar
+  id: BaseScarEye
+  bodyPart: Head
+
+- type: marking
+  abstract: true
+  parent: BaseGroupsGeneralScarChest
+  id: BaseScarChest
+  bodyPart: Chest
+
+## Undergarments
+
+- type: marking
+  abstract: true
+  parent: BaseColorWhite
+  id: BaseUndergarmentBottom
+  bodyPart: UndergarmentBottom
+  categories: [Undergarment, UndergarmentBottom]
+
+- type: marking
+  abstract: true
+  parent: BaseColorWhite
+  id: BaseUndergarmentTop
+  bodyPart: UndergarmentTop
+  categories: [Undergarment, UndergarmentTop]
+
+# Abstract inherited markings
+
+## Undergarments
+
+- type: marking
+  abstract: true
+  parent: [BaseUndergarmentBottom, BaseGroupsGeneralUndergarmentBottom]
+  id: BaseUndergarmentBottomGeneral
+
+- type: marking
+  abstract: true
+  parent: [BaseUndergarmentBottom, BaseGroupSingleReptilian]
+  id: BaseUndergarmentBottomReptilian
+
+- type: marking
+  abstract: true
+  parent: [BaseUndergarmentBottom, BaseGroupSingleVox]
+  id: BaseUndergarmentBottomVox
+
+- type: marking
+  abstract: true
+  parent: [BaseUndergarmentTop, BaseGroupsGeneralUndergarmentTop]
+  id: BaseUndergarmentTopGeneral
+
+- type: marking
+  abstract: true
+  parent: [BaseUndergarmentTop, BaseGroupSingleVox]
+  id: BaseUndergarmentTopVox
diff --git a/Resources/Prototypes/_DEN/Entities/Mobs/Customization/Markings/base_groups.yml b/Resources/Prototypes/_DEN/Entities/Mobs/Customization/Markings/base_groups.yml
new file mode 100644
index 0000000000..c3d74958fe
--- /dev/null
+++ b/Resources/Prototypes/_DEN/Entities/Mobs/Customization/Markings/base_groups.yml
@@ -0,0 +1,54 @@
+# NOTE!! groupWhitelist has partial inheritance.
+# This means you can parent a marking with a group whitelist filled out, and then add more species to the groupWhitelist
+# field, and the marking will use a combined list of species from those two group whitelists.
+
+- type: marking
+  abstract: true
+  id: BaseGroupsGeneralScar
+  groupWhitelist: [Human, Reptilian, Vulpkanin]
+
+- type: marking
+  abstract: true
+  id: BaseGroupsGeneralScarHead
+  groupWhitelist: [Moth]
+
+- type: marking
+  abstract: true
+  id: BaseGroupsGeneralScarChest
+  groupWhitelist: [Arachnid, Diona]
+
+- type: marking
+  abstract: true
+  id: BaseGroupsGeneralUndergarments
+  groupWhitelist: [Arachnid, Diona, Human, Moth, Slime, Vulpkanin]
+
+# Species that can wear generic underwear bottoms, but not tops
+- type: marking
+  abstract: true
+  parent: BaseGroupsGeneralUndergarments
+  id: BaseGroupsGeneralUndergarmentBottom
+
+# Species that can wear generic underwear tops, but not bottoms
+- type: marking
+  abstract: true
+  parent: BaseGroupsGeneralUndergarments
+  id: BaseGroupsGeneralUndergarmentTop
+  groupWhitelist: [Reptilian]
+
+# Single-species group
+# TODO: "Preferred group" functionality
+
+- type: marking
+  abstract: true
+  id: BaseGroupSingleDiona
+  groupWhitelist: [Diona]
+
+- type: marking
+  abstract: true
+  id: BaseGroupSingleReptilian
+  groupWhitelist: [Reptilian]
+
+- type: marking
+  abstract: true
+  id: BaseGroupSingleVox
+  groupWhitelist: [Vox]