- Homer: Homer is one of the playable characters of the level, he can jump, burp, kick and stand on the platforms so Bart can access some areas.
- Bart: Bart is one of the playable characters and the main protagonist, he can jump, kick, use his slingshot, open his suit to release bats, and turn into Bartman to glide and climb
- Marge
- Maggie
- Security guards: enemies throughout the level.
- Dolph: one of the main bosses, and the first to defeat.
- Kearney: one of the main bosses, and the second to defeat.
- Jimbo: one of the main bosses, and the last to defeat.
- Uter
- Skinner
- Chief Wiggum
- Lou
- Eddie