Shadow Mouse is a fan-made antagonist in Abandoned: Discovery Island.
He looks similar to Mickey Mouse, except that his entire body was black, his eyes and gloves were white.
He start in Entrance Room, Then Staff Area, and finally The Office. The player must hide under the desk.
- Entrance Room
- His model was made by The Black Rabbit Animation.
- He also shared Nightmare screech from FNaF 4.