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Master Udon is a character that appeared in the episode "Karate Island" of SpongeBob SquarePants as the main antagonist.

He was voiced by the late Pat Morita and Tom Kenny who provided his grunts and yells

Udon is the fish that calls SpongeBob to come to the mysterious Karate Island. He is actually a con man because he captures SpongeBob and tries to make him to buy real estate. He has quite a few recruits and orders them to stop Sandy Cheeks from getting to him (The Tickler, Lip Service, and Filthy Phil).

It is revealed that at the end of the episode that he has extremely large muscles when he fights Sandy. Though quite muscular, he seems to have a low fighting capacity, as when he fights, he uses sloppy punches and forward slaps, though he actually is able to go toe to toe with Sandy.

He is defeated by her and falls out of the condo window, landing in the water. He is shown to have survived at the very end of the episode after SpongeBob and Sandy leave, greeting Squidward to declare him as "King of Clarinets".

He is the owner of "Condo Island", which has been called "Karate Island" and "Clarinet Island".

Trivia

  • Near the end of the episode, Sandy says "You're in the soup now, Udon!". Udon is actually named after a type of Japanese noodle soup.
  • He has a thick Japanese accent.

Navigation

           SpongeBob Villains

Main Villains
Mr. Krabs | Plankton | Karen Plankton | Mrs. Puff

Major Villains
Flying Dutchman | Man Ray | Sinister Slug | Jumbo Shrimp | Atomic Flounder | Dirty Bubble | Bubble Bass | Plankton Family | DoodleBob

Movie Villains
The SpongeBob Squarepants Movie:
Mr. Krabs | Mrs. Puff | Plankton | Dennis | Karen Plankton | Victor | Cyclops | Boat Jacker | The Thug Tug Gang
The SpongeBob Movie: Sponge Out of Water:
Plankton | Mr. Krabs | Karen Plankton | Burger-Beard
The SpongeBob Movie: Sponge On the Run:
Plankton | Mr. Krabs | Karen Plankton | King Poseidon

Other Villains
Every Villain Is Lemons | Abrasive SpongeBob | Alaskan Bull Worm | Puffy Fluffy | Sergeant Sam Roderick | Tattletale Strangler | Lord Poltergeist | Carl | Big One | BlackJack SquarePants | Evil Alien Jellion Overlord | Sea Bear | The Moth | Hash-Slinging Slasher | Con Man | Master Udon | Evil Syndicate | King Gorge | The Mawgu | Don Grouper | Animatronic Hieronymus Glove | Gordon | Coupe | Triton | The Fisherman | Madame Hagfish | Dead-Eye Plankton | Art Appraiser | Miss Gretel Puss | Planktonamor | Dreaded Patrick | Karen 2.0 | Captain Scarfish | Dragon Jellyfish | The Jellions | SpongeBot SteelPants | Robot Plankton | Robots | Globulous Maximus | Flats the Flounder | ToyBob | Cuddle E. Hugs | Gale Doppler | Mini Doodles | Plankrab | Doctor Negative | Jelliens | Seymour Scales | Catfishstress | Octopus King | Swamp Natives | Hoodoo Guru | Earworm | Krabby Patty Zombies

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