- Sheldon J. Plankton (from SpongeBob SquarePants) as Oscar the Grouch
- Inch the Inchworm as Slimey the Worm
- Charlie Brown (from Peanuts) as Trash Gordon
- Taz (from Looney Tunes), Swiper (from Dora the Explorer), Crunch the Shark, Bushy the Lion, Swampy the Alligator, Spinner the Spider, Hissy the Snake and Sly the Fox as Grouches
Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.