- Tom Kenny (SpongeBob SquarePants / Gary the Snail (voice))
- Bill Fagerbakke (Patrick Star (voice))
- Rodger Bumpass (Squidward (voice))
- Clancy Brown (Mr. Krabs (voice))
- Carolyn Lawrence (Sandy Cheeks (voice))
- Mary Jo Catlett (Mrs. Puff (voice))
- Mr. Lawrence (Plankton / Larry the Lobster (voice))
- Jill Talley (Karen Plankton (voice))
- Lori Alan (Pearl Krabs (voice))
SpongeBob SquarePants — S6E8
Episode: Pest of the West
Air Date: 2008-04-11
Runtime: 24 min
Overview
While researching his family tree, SpongeBob finds that he is a distant relative of SpongeBuck, a sheriff from Bikini Bottom's past who helped save the citizens from the quickest whip draw in town, the evil Dead Eye Plankton.