Stephanie Morgenstern
Yin (voice) (120 eps)
Scott McCord
Yang / Yuck (voice) (120 eps)
Martin Roach
Master Yo (voice) (120 eps)
Jamie Watson
Carl the Evil Cockroach Wizard (voice) (120 eps)
Novie Edwards
Lina / Girlbotica (voice) (120 eps)
Megan Fahlenbock
Melodia (voice) (120 eps)
Linda Ballantyne
Smoke / Saranoia / Ella Mental (voice) (120 eps)
David Hemblen
Night Master (voice) (120 eps)
Kathleen Laskey
Edna / Lie Fairy (120 eps)
Jim Belushi
The Puffin (voice) (71 eps)
Rodger Bumpass
The Lesson (voice) (3 eps)
Seth MacFarlane
The Manotaur (voice) (2 eps)
Jason Earles
Jason Earles (voice) (1 eps)
Mitchel Musso
Mitchel Musso (voice) (1 eps)