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by Jenny Morrill
There are some voices in SpongeBob SquarePants that are instantly recognizable—SpongeBob's shrill laugh, Squidward's nasal complaining, Mr. Krabs's pirate-esque demands for yet more money. Occasionally, though, a voice pops up that's familiar in a different way.
If you ever watched an episode of SpongeBob and found yourself thinking “Hey, isn't that ... ?,” you probably weren't imagining things. The show is littered with guest voices from all walks of life, and here are 15 of the most memorable.
1. JOHNNY DEPP
In the season six episode "SpongeBob vs The Big One," Depp plays Jack Kahuna Laguna, a surf guru attempting to teach SpongeBob and his friends some of his surf moves. This episode also features a cameo by The Monkees's Davy Jones as himself.
3. MARK HAMILL
The Star Wars actor appears in the episode "Night Light" as The Moth, an arch enemy of Mermaid Man and Barnacle Boy.
3. DAVID BOWIE
The late rock legend starred in the made-for-TV feature length special Atlantis SquarePantis as Lord Royal Highness, ruler of Atlantis who becomes annoyed with SpongeBob when he accidentally pops the world's oldest bubble.
4. VICTORIA BECKHAM
The former Spice Girl makes an appearance in the season six episode "The Clash Of Triton," as Queen Amphitrite. Well, of course she was going to be playing royalty.
5. CHRISTOPHER GUEST
The Spinal Tap legend plays Stanley S. SquarePants, SpongeBob's accident-prone cousin, in the season five episode of the same name. But Guest isn't the only member of Spinal Tap to have a guest role on the show...
6. MICHAEL MCKEAN
In the season nine episode "License To Milkshake," SpongeBob discovers his milkshake license has expired, so he must go back to the Milkshake Academy and relearn his skill under the tutelage of Captain Frosty Mug, voiced by McKean.
7. IAN MCSHANE
Star of Lovejoy to some, star of Deadwood to others. In the season six episode "Dear Vikings," McShane plays Gordon, leader of a group of Vikings from whom SpongeBob wants to learn about Viking history.
8. MARION ROSS
Better known as ultimate TV mom Marion Cunningham from Happy Days, Ross had a recurring role on the show between 2010 and 2011 as Grandma SquarePants.
9. GENE SIMMONS
Yes, that Gene Simmons: Gene Simmons from KISS. In the season five episode "20,000 Patties Under The Sea," Simmons plays a sea monster who has been asleep for the last 79 years, only to be woken up by ... you guessed it: SpongeBob and Patrick.
10. JOHNNY KNOXVILLE
The Jackass star appears in the season nine episode "Extreme Spots," in which SpongeBob and Patrick attempt to join a stunt team called The Drastic Radicals. Knoxville plays Johnny Krill, one of the lead stunt performers in the team.
11. PAT MORITA
Most fondly remembered as Mr. Miyagi from the Karate Kid movies, Pat Morita definitely can't be accused of playing against type in SpongeBob. In the season four episode "Karate Island," he plays a self-styled karate guru who will stop at nothing to sell timeshares to SpongeBob.
12. AND 13. ADAM WEST AND BURT WARD
In the season seven episode "Back To The Past," the original Batman and Robin star as a young version of their SpongeBob counterparts, Mermaid Man and Barnacle Boy, whose adult selves are voiced by Ernest Borgnine and Tim Conway.
14. RAY LIOTTA
By no means the only A-list actor to appear on SpongeBob, the Goodfellas star appears in the season five special "WhoBob WhatPants" (also known as "Whatever Happened to SpongeBob?") as leader of the street gang the Bubble Poppin' Boys.
15. PANTERA
Scary rock metal guys Pantera have a song featured in the season two episode "Prehibernation Week." The song accompanies a montage of Sandy and SpongeBob taking part in the most dangerous activities they can think of.