Michael John McKean (born October 17, 1947) is an American actor, comedian, writer, composer and musician, perhaps best known for his portrayal of Squiggy's friend, Leonard 'Lenny' Kosnowski, on the sitcom Laverne and Shirley; as David St. Hubbins of Spinal Tap; and for his work in the Christopher Guest ensemble films...(Wikipedia)

Clarence J. "Clancy" Brown III is an American actor and voice actor known for his roles as Byron Hadley in the award winning The Shawshank Redemption, Career Sergeant Zim in Starship Troopers as well as for his role as the Kurgan in the cult classic Highlander. Brown also works extensively as a voice actor in animated TV series, notably portraying Lex Luthor on Superman: The Animated Series, Krypto the Superdog and Justice League/Justice League Unlimited... (Wikipedia)

Credits include: Elephant Sighs, L.A.dy Dior, Safe Deposit Krabs/Plankton's Pet, Banned in Bikini Bottom/Stanley S. SquarePants and Fear of a Krabby Patty/Shell of a Man

Thomas James "Tom" Kenny in Syracuse, New York is an American actor, voice actor and comedian, best known as the voice of SpongeBob SquarePants in the television series of the same name, as well as the live-action character Patchy the Pirate, Gary the Snail and the French narrator based on Jacques Cousteau. Aside from voice acting, Kenny starred in the short-lived Fox sketch show The Edge, and was a cast member of the HBO sketch comedy program Mr. Show... (Wikipedia)

Credits include: The SpongeBob SquarePants Movie, Heavy Metal, The SpongeBob Movie: Sponge Out of Water, SpongeBob SquarePants and The Real Ghostbusters

Credits include: The SpongeBob SquarePants Movie, The SpongeBob Movie: Sponge Out of Water, SpongeBob SquarePants, Rocko's Modern Life and Rocko's Modern Life: Static Cling

Credits include: The SpongeBob SquarePants Movie, The SpongeBob Movie: Sponge Out of Water, SpongeBob SquarePants, The Madagascar Penguins in: A Christmas Caper and The SpongeBob Movie: Sponge on the Run

Credits include: Star Wars: The Clone Wars, Batman: The Dark Knight Returns, Part 1, The Legend of Korra, SpongeBob SquarePants and American Dad

Credits include: The SpongeBob SquarePants Movie, The SpongeBob Movie: Sponge Out of Water, SpongeBob SquarePants and Saving Bikini Bottom: The Sandy Cheeks Movie

Credits include: Truth or Square, Frozen Face-Off, The Dabba Don and Safe Deposit Krabs/Plankton's Pet

Credits include: Atlantis SquarePantis, Safe Deposit Krabs/Plankton's Pet and Frozen Face-Off

Credits include: Safe Deposit Krabs/Plankton's Pet, Atlantis SquarePantis and Kenny the Cat/Yeti Krabs