He is one of Father's men and was designed in a Mickey Mouse drawing. His face was removed and replaced with a mask to hide something sinister after Father made him come to life.
He appears to resemble Mickey except he has a smiley mask on. His mask hides his hidden face. His shade is his mask being off, revealing him to have no face but human eyes and sharp teeth.
Masked Mouse starts at night 2 in Character Prep 1. When in the office, the player must shut off a camera or he will kill them. When the power is off, the player must hide or he will kill them. He also kills you in his shade form when the powers off, but rarely when the powers on.
Masked Mouse starts at night 2. Then goes to Staff Area, Meat Freezer, Bathroom, Lounge, and then the Office.
- He is one of the toons created by Father.
- His hidden face's meaning is currently unknown.