Hart is a Older Brother of Mickey Mouse with a , a Blue pants, and Black shoes.
Hart is very different from Blood Mouse . He will become active on Night 1, but starts to become a threat on Night 2. Any room he is in will turn dark. He can teleport, and can enter the office before 1 AM.
When moving, he speaks one of these quotes:
- "Hi Jake And Hi Gary"
- "My death"
- "God can't save Blood Mouse now"