| Person: |
|
Characters |
Episodes |
| • Rob Paulsen | voiced | The Caped Chameleon / Crusading Chameleon / The Forehead / Captain Mucilage / Charles aka Brainchild / The Terror / Yank | 15 Episodes |
| • Jess Harnell | voiced | The Human Bullet / Mighty Agrippa, Magazine-Reading Sidekick / Moleman Todd, Waiter / Watt / The Sub Human / Speak / The Breadmaster | 13 Episodes |
| • Pat Fraley | voiced | German Shepherd / The Whirling Scottish Devil / The Visual Eye / Eastern Bloc Robot Cowboy / Zipperneck, Dynamole / The Carpeted Man / The Crease / Mayor Blank, General / Mayor Blank, Milkie the milk boy / Mayor Blank | 12 Episodes |
| • Kevin Schon | voiced | Big Shot / Baby Boomerangutuang / The Crease / Feral Boy / Proto Clown, Feral Boy / Plungerman / The Living Doll | 12 Episodes |
| • Jim Cummings | voiced | Mr. Mental / Barry Hubris aka "The Tick", Orangutan / Thrakkorzogg / Captain Decency / Mr. Mental (adult) / Leonardo da Vinci / Stalingrad / Multiple Santa | 8 Episodes |
| • Pat Musick | voiced | Mad Nanny (Meriam Brunch) / The Bee Twins / The Bee Twins, Sally Vacuum / Tuun-La / Sally Vacuum / Sally Vacuum, The Human Bullet's wife | 8 Episodes |
| • Maurice LaMarche | voiced | The Evil Midnight Bomber What Bombs At Midnight, Jim The Doorman / The Human Ton / Handy / The Human Ton and Handy / The Deadly Bulb / The Evil Midnight Bomber What Bombs At Midnight / The Fin / The Hotel Manager | 7 Episodes |
| • Roger Rose | voiced | Four-Legged Man / Skippy | 7 Episodes |
| • Tony Jay | voiced | Chairface Chippendale | 5 Episodes |
| • Susan Silo | voiced | Jungle Janet / Jet Valkyrie | 5 Episodes |
| • Townsend Coleman | voiced | Eyebrows Mulligan / Lava Man, Moleman Bob, Paul the Publicist / The Man Eating Cow / Wrestling Announcer | 5 Episodes |
| • Ed Gilbert (1) | voiced | The Indigestible Man / The Idea Men, Bipolar Bear / El Seed / The Idea Men | 5 Episodes |
| • Hamilton Camp | voiced | Professor Chromedome / Johann Gutenberg / Professor Cromedome | 4 Episodes |
| • Danny Mann | voiced | Dinosaur Neil / Mr. Exciting | 4 Episodes |
| • Steve Susskind | voiced | Dr. Vahtoss / The Heys | 3 Episodes |
| • Jennifer Hale | voiced | Carmalita | 3 Episodes |
| • Dorian Harewood | voiced | Taft / Pineapple Pokopo | 3 Episodes |
| • Cam Clarke (1) | voiced | Fishboy, Interviewer / Johnny Polite / Fishboy | 3 Episodes |
| • Micky Dolenz | voiced | Evil Arthur Clone / Moleman Larry / Captain Lemming | 3 Episodes |
| • Brad Garrett | voiced | Jim Rage / What Interrogator | 2 Episodes |
| • Dan Castellaneta | voiced | The Mole King / Charles' father | 2 Episodes |
| • Phil Proctor | voiced | Himself / The Fortissimo Brothers | 2 Episodes |
| • Charlie Adler | voiced | Captain Lemming / Sarcastro | 2 Episodes |
| • Jennifer Darling | voiced | Mynda | 2 Episodes |
| • Paul Eiding | voiced | Socket / Gesundheit | 2 Episodes |
