diff --git a/Resources/Locale/en-US/markings/oni.ftl b/Resources/Locale/en-US/markings/oni.ftl
new file mode 100644
index 00000000000..6c34f437b15
--- /dev/null
+++ b/Resources/Locale/en-US/markings/oni.ftl
@@ -0,0 +1,18 @@
+marking-OniHornTallCurved = Tall Curved
+marking-OniHornTallCurved-tall_curved = Tall Curved
+
+marking-OniHornTallCurved3Tone = Tall Curved Three Tone
+marking-OniHornTallCurved3Tone-tall_curved_3tone_1 = Bottom Third
+marking-OniHornTallCurved3Tone-tall_curved_3tone_2 = Middle Third
+marking-OniHornTallCurved3Tone-tall_curved_3tone_3 = Top Third
+
+marking-OniHornTallBull= Tall Bull
+marking-OniHornTallBull-tall_bull = Tall Bull
+
+marking-OniHornTallBull3Tone = Tall Bull Three Tone
+marking-OniHornTallBull3Tone-tall_bull_3tone_1 = Bottom Third
+marking-OniHornTallBull3Tone-tall_bull_3tone_2 = Middle Third
+marking-OniHornTallBull3Tone-tall_bull_3tone_3 = Top Third
+
+marking-OniHornCrowned = Crowned
+marking-OniHornCrowned-crowned = Crowned
diff --git a/Resources/Prototypes/Entities/Mobs/Customization/Markings/oni_horns.yml b/Resources/Prototypes/Entities/Mobs/Customization/Markings/oni_horns.yml
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index 00000000000..b7af09b6e72
--- /dev/null
+++ b/Resources/Prototypes/Entities/Mobs/Customization/Markings/oni_horns.yml
@@ -0,0 +1,53 @@
+- type: marking
+  id: OniHornTallCurved
+  bodyPart: HeadTop
+  markingCategory: HeadTop
+  forcedColoring: false
+  speciesRestriction: [Oni]
+  sprites:
+  - sprite: Mobs/Customization/Oni/oni_horns48x48.rsi
+    state: tall_curved
+- type: marking
+  id: OniHornTallCurved3Tone
+  bodyPart: HeadTop
+  markingCategory: HeadTop
+  forcedColoring: false
+  speciesRestriction: [Oni]
+  sprites:
+  - sprite: Mobs/Customization/Oni/oni_horns48x48.rsi
+    state: tall_curved_3tone_1
+  - sprite: Mobs/Customization/Oni/oni_horns48x48.rsi
+    state: tall_curved_3tone_2
+  - sprite: Mobs/Customization/Oni/oni_horns48x48.rsi
+    state: tall_curved_3tone_3
+- type: marking
+  id: OniHornTallBull
+  bodyPart: HeadTop
+  markingCategory: HeadTop
+  forcedColoring: false
+  speciesRestriction: [Oni]
+  sprites:
+  - sprite: Mobs/Customization/Oni/oni_horns48x48.rsi
+    state: tall_bull
+- type: marking
+  id: OniHornTallBull3Tone
+  bodyPart: HeadTop
+  markingCategory: HeadTop
+  forcedColoring: false
+  speciesRestriction: [Oni]
+  sprites:
+  - sprite: Mobs/Customization/Oni/oni_horns48x48.rsi
+    state: tall_bull_3tone_1
+  - sprite: Mobs/Customization/Oni/oni_horns48x48.rsi
+    state: tall_bull_3tone_2
+  - sprite: Mobs/Customization/Oni/oni_horns48x48.rsi
+    state: tall_bull_3tone_3
+- type: marking
+  id: OniHornCrowned
+  bodyPart: HeadTop
+  markingCategory: HeadTop
+  forcedColoring: false
+  speciesRestriction: [Oni]
+  sprites:
+  - sprite: Mobs/Customization/Oni/oni_horns.rsi
+    state: crowned
diff --git a/Resources/Textures/Mobs/Customization/Oni/oni_horns.rsi/crowned.png b/Resources/Textures/Mobs/Customization/Oni/oni_horns.rsi/crowned.png
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index 00000000000..7341aaf74ed
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diff --git a/Resources/Textures/Mobs/Customization/Oni/oni_horns.rsi/meta.json b/Resources/Textures/Mobs/Customization/Oni/oni_horns.rsi/meta.json
new file mode 100644
index 00000000000..92b16828314
--- /dev/null
+++ b/Resources/Textures/Mobs/Customization/Oni/oni_horns.rsi/meta.json
@@ -0,0 +1,15 @@
+{
+    "version": 1,
+    "license": "CC-BY-SA-3.0",
+    "copyright": "crowned by dootythefrooty",
+    "size": {
+        "x": 32,
+        "y": 32
+    },
+    "states": [
+        {
+            "name": "crowned",
+            "directions": 4
+        }
+    ]
+}
diff --git a/Resources/Textures/Mobs/Customization/Oni/oni_horns48x48.rsi/meta.json b/Resources/Textures/Mobs/Customization/Oni/oni_horns48x48.rsi/meta.json
new file mode 100644
index 00000000000..bf01b0d5209
--- /dev/null
+++ b/Resources/Textures/Mobs/Customization/Oni/oni_horns48x48.rsi/meta.json
@@ -0,0 +1,43 @@
+{
+    "version": 1,
+    "license": "CC-BY-SA-3.0",
+    "copyright": "tall_curved & tall_bull by dootythefrooty",
+    "size": {
+        "x": 48,
+        "y": 48
+    },
+    "states": [
+        {
+            "name": "tall_curved",
+            "directions": 4
+        },
+        {
+            "name": "tall_curved_3tone_1",
+            "directions": 4
+        },
+        {
+            "name": "tall_curved_3tone_2",
+            "directions": 4
+        },
+        {
+            "name": "tall_curved_3tone_3",
+            "directions": 4
+        },
+        {
+            "name": "tall_bull",
+            "directions": 4
+        },
+        {
+            "name": "tall_bull_3tone_1",
+            "directions": 4
+        },
+        {
+            "name": "tall_bull_3tone_2",
+            "directions": 4
+        },
+        {
+            "name": "tall_bull_3tone_3",
+            "directions": 4
+        }
+    ]
+}
diff --git a/Resources/Textures/Mobs/Customization/Oni/oni_horns48x48.rsi/tall_bull.png b/Resources/Textures/Mobs/Customization/Oni/oni_horns48x48.rsi/tall_bull.png
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diff --git a/Resources/Textures/Mobs/Customization/Oni/oni_horns48x48.rsi/tall_bull_3tone_1.png b/Resources/Textures/Mobs/Customization/Oni/oni_horns48x48.rsi/tall_bull_3tone_1.png
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index 00000000000..7f198aa91b7
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diff --git a/Resources/Textures/Mobs/Customization/Oni/oni_horns48x48.rsi/tall_bull_3tone_2.png b/Resources/Textures/Mobs/Customization/Oni/oni_horns48x48.rsi/tall_bull_3tone_2.png
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index 00000000000..57e6a5f605f
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diff --git a/Resources/Textures/Mobs/Customization/Oni/oni_horns48x48.rsi/tall_bull_3tone_3.png b/Resources/Textures/Mobs/Customization/Oni/oni_horns48x48.rsi/tall_bull_3tone_3.png
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index 00000000000..cd427ae1179
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diff --git a/Resources/Textures/Mobs/Customization/Oni/oni_horns48x48.rsi/tall_curved.png b/Resources/Textures/Mobs/Customization/Oni/oni_horns48x48.rsi/tall_curved.png
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index 00000000000..b32391a95e8
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diff --git a/Resources/Textures/Mobs/Customization/Oni/oni_horns48x48.rsi/tall_curved_3tone_1.png b/Resources/Textures/Mobs/Customization/Oni/oni_horns48x48.rsi/tall_curved_3tone_1.png
new file mode 100644
index 00000000000..560776c3896
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diff --git a/Resources/Textures/Mobs/Customization/Oni/oni_horns48x48.rsi/tall_curved_3tone_2.png b/Resources/Textures/Mobs/Customization/Oni/oni_horns48x48.rsi/tall_curved_3tone_2.png
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index 00000000000..c0a01147865
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diff --git a/Resources/Textures/Mobs/Customization/Oni/oni_horns48x48.rsi/tall_curved_3tone_3.png b/Resources/Textures/Mobs/Customization/Oni/oni_horns48x48.rsi/tall_curved_3tone_3.png
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