diff --git a/Resources/Locale/ru-RU/markings/cat.ftl b/Resources/Locale/ru-RU/markings/cat.ftl
index 52c36f4599..1f13aa400e 100644
--- a/Resources/Locale/ru-RU/markings/cat.ftl
+++ b/Resources/Locale/ru-RU/markings/cat.ftl
@@ -43,3 +43,7 @@ marking-SomeTailHZZ-tail_tip = Кончик
 marking-knifeCappyEars1 = Ушки Аксолотля
 marking-knifeCappyTail1 = Хвост Аксолотля
 marking-knifeCappyTail2 = Хвост Аксолотля
+
+marking-FoxEarsIMercuryI = Льсьи ушки
+marking-FoxTailIMercuryI = Лисий хвост
+marking-FoxTailWaggingIMercuryI = Лисий хвост, махает.
diff --git a/Resources/Prototypes/White/Mobs/Customization/Markings/imercuryi-parts.yml b/Resources/Prototypes/White/Mobs/Customization/Markings/imercuryi-parts.yml
new file mode 100644
index 0000000000..9fc9814262
--- /dev/null
+++ b/Resources/Prototypes/White/Mobs/Customization/Markings/imercuryi-parts.yml
@@ -0,0 +1,30 @@
+#IMercuryI
+- type: marking
+  id: FoxEarsIMercuryI
+  bodyPart: HeadTop
+  markingCategory: HeadTop
+  speciesRestriction: [Felinid]
+  sponsorOnly: true
+  sprites:
+    - sprite: White/Mobs/Customization/imercuryi.rsi
+      state: fox_ears
+
+- type: marking
+  id: FoxTailIMercuryI
+  bodyPart: Tail
+  markingCategory: Tail
+  speciesRestriction: [Felinid]
+  sponsorOnly: true
+  sprites:
+    - sprite: White/Mobs/Customization/imercuryi.rsi
+      state: fox_tail
+
+- type: marking
+  id: FoxTailWaggingIMercuryI
+  bodyPart: Tail
+  markingCategory: Tail
+  speciesRestriction: [Felinid]
+  sponsorOnly: true
+  sprites:
+    - sprite: White/Mobs/Customization/imercuryi.rsi
+      state: fox_tail_wagging
diff --git a/Resources/Textures/White/Mobs/Customization/imercuryi.rsi/fox_ears.png b/Resources/Textures/White/Mobs/Customization/imercuryi.rsi/fox_ears.png
new file mode 100644
index 0000000000..d78ea1e3b8
Binary files /dev/null and b/Resources/Textures/White/Mobs/Customization/imercuryi.rsi/fox_ears.png differ
diff --git a/Resources/Textures/White/Mobs/Customization/imercuryi.rsi/fox_tail.png b/Resources/Textures/White/Mobs/Customization/imercuryi.rsi/fox_tail.png
new file mode 100644
index 0000000000..8b62e57299
Binary files /dev/null and b/Resources/Textures/White/Mobs/Customization/imercuryi.rsi/fox_tail.png differ
diff --git a/Resources/Textures/White/Mobs/Customization/imercuryi.rsi/fox_tail_wagging.png b/Resources/Textures/White/Mobs/Customization/imercuryi.rsi/fox_tail_wagging.png
new file mode 100644
index 0000000000..80bb8cfd8d
Binary files /dev/null and b/Resources/Textures/White/Mobs/Customization/imercuryi.rsi/fox_tail_wagging.png differ
diff --git a/Resources/Textures/White/Mobs/Customization/imercuryi.rsi/meta.json b/Resources/Textures/White/Mobs/Customization/imercuryi.rsi/meta.json
new file mode 100644
index 0000000000..0699b540b2
--- /dev/null
+++ b/Resources/Textures/White/Mobs/Customization/imercuryi.rsi/meta.json
@@ -0,0 +1,87 @@
+{
+  "version": 1,
+  "size": {
+    "x": 32,
+    "y": 32
+  },
+  "states": [
+    {
+      "name": "fox_ears",
+      "directions": 4
+    },
+    {
+      "name": "fox_tail",
+      "directions": 4
+    },
+    {
+      "name": "fox_tail_wagging",
+      "directions": 4,
+      "delays": [
+        [
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.15
+        ],
+        [
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.15
+        ],
+        [
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.15
+        ],
+        [
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.15
+        ]
+      ]
+    }
+  ]
+}
\ No newline at end of file