Mr. Monkey is the main villain of Indie Sunday! - Dark Deception. He is a human-sized monkey toy with chainsaw hands and a bellhop suit. He and his clones try to chase Al down and stop him from collecting purple glass shards in an abandoned hotel. Al says that Mr. Monkey was his worst nightmare since childhood.
- Al claimed he was not scared of him despite his chainsaw hands. He said that Mr. Monkey was an asshole.
- This is a lie, as Al was screaming and almost cried.
- Al's final rank upon beating Mr. Monkey was a B.
- The announcer enjoyed Al's death upon getting sliced up by Mr. Monkey.