- The S.M.
- Sir Lancelot
- Robby Wagner
- Sir Gawain
- Monochro Mayhem
- Sir Percival
- Max Stockton
- Caliburn / Underworld Brute (voice)
- RioDies
- Underworld Knave / Underworld Guard (voice)
- Voice Man
- Underworld Squire
- Here Comes Mongo
- Underworld Swordsman
- Max Henderson
- Underworld General
- Xeiality
- Sir Galahad
- SonicQrow
- Sir Lamorak
- Doctor Bean
- Underworld Heavy
- Mister J.P.G.
- Underworld Marauder
