• Buster Bunny as Jimmy Neutron
  • Plucky Duck as Sheen Estevez
  • Hamton J. Pig as Carl Wheezer
  • Babs Bunny as Cindy Vortex
  • Shirley the Loon as Libby Folfax
  • Fifi La Fume as Britney Tenelli
  • Gogo Dodo as Nick Dean
  • Little Beeper as Nathan Decarlo
  • Calamity Coyote as Bolbi Stroganovsky
  • Furrball as Oleander Svalsbord
  • Dizzy Devil as Butch Pakovski
  • Barky Marky as Goddard
  • Byron Bassett as Humphrey
  • Arnold the Pitbull as Professor Calamitous
  • Roderick Rat as Jet Fusion
  • Rhubella Rat as Beautiful Gorgeous
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