Boink (voiced by
Michael Horton) has a laid-back approach to life and seems capable of pulling almost anything out of his carrying case or locker.
Rawld-O and Buck (voiced by
Dorian Harewood) are buzzards who rap and serve as kind of the
Greek chorus for the show; commenting on the episodes' plot and sometimes carrying in the setting (as limited as they were) for the next scene. Rawld-O does all the talking for the pair while Buck beat-boxes.
Bully (voiced by
Brian Cummings) is a woolly mammoth seen constantly dragging around a piano tending to get destroyed.
Dr. Russell (voiced by
Stu Rosen) is a walrus whose verboseness often leaves his students more clueless than when the group started.
Grizzle (voiced by
Jerry Houser) is a pig that prides himself on his stench and always has his drumsticks handy
Logan Chomper (voiced by
Neil Ross) is a small yellow creature with a voracious appetite.
Ms. Devine (voiced by
Tress MacNeille) is a high-class, self-absorbed fashionista who knows in loose terms.
Rarf (voiced by Danny Mann) is Devine's pet.
Seymour (voiced by Lee Thomas) is the geography teacher that got himself stuck inside a television set and now teaches from there, often interacting with the videos inserted for the lesson.
Slogo and Logan Bonito (voiced by
S. Scott Bullock) are two acrobat brothers who live at the circus with their parents.
Tess (voiced by
Susan Silo) generally tries to give Grizzle a wide berth. ==Voice cast==