Character Prep 1
Underground character prep room
Appears in Five Nights at Treasure Island
Five Nights at Treasure Island: Foundnote
Age Likely over a decade old
Location Mowgli's Palace

The room was exactly as I had pictured it. Various Disney costumes hung on the walls, fully put together like strange cartoon cadavers hung from invisible nooses.
~ Abandoned by Disney[1]

Character Prep 1, stylized as CHARACTER PREP 1, is the setting of the climax in Abandoned by Disney, and contains the Photo-Negative Mickey costume among other mascot costumes, as well as the shattered remains of the Donald Head.