Insane Mouse is a Fan-made antagonist In Abandoned Discovery Island.
Insane Mouse has his left ear chipped off a bit, bright yellow buttons with red shorts, yellow shoes and has white gloves. He has white eyes and has no mouth and has an extra eye on his forehead with a red dot.
He starts in the Broadcasting Room, Character Prep 1, Storage Room, Meat Freezer, Lounge, and then the Office. You need to shut off the power to make him go away. If you fail to do so in under 3 seconds, this will result in a Jumpscare.
- He does not make any Noise while Moving.