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Humiliated by the establishment, I had no choice but to work in my family's candy shop and watch kid after kid come in to buy cavity-inducing treats! It was too much! Too much. Too much! Too much! So I donned the corrective headgear and became the enamel avenger, Knightbrace!
~ Knightbrace
I am the brush and you are the plaque, now brace for impact!
~ Knightbrace

Mr. Jelly or also known as Knightbrace is a supporting antagonist in the 2002-08 Cartoon Network series Codename: Kids Next Door. He is the main antagonist of of the episode, Operation: T.E.E.T.H.

He is a vigilante supervillain themed around dental hygiene with the intent to abolish poor oral care. He accomplishes this goal through extreme methods and committing numerous immoral actions such as kidnapping and abuse.

While he does not hate kids as much as other villains in the series, he will work with them in order to fight off the Kids Next Door, such as in Operation: V.I.D.E.O.G.A.M.E. and Operation: F.L.U.S.H.

He is voiced by Tom Kenny, who also voices Dr. Two-Brains from Wordgirl, Ice King from Adventure Time, Commander Peepers and General McGuffin from Wander Over Yonder, The Penguin from The Batman, King Jellybean from Rick and Morty, Mumbo Jumbo in Teen Titans, Doctor Octopus in Ultimate Spider-Man and Hulk and the Agents of S.M.A.S.H., Starscream in Transformers: Animated, Benito Mussolini in Guillermo del Toro's Pinocchio, and many other villains in Codename: Kids Next Door such as Chester and The Common Cold.

Biography[]

Past[]

When he was young, Mr. Jelly wanted to become a dentist and had even pulled out a tooth from a dog in a flashback, however, he was kicked out of dental school for trying to put braces on babies; he had no choice but to work at the candy store that was run by his family. This angered him to the point he adopted his alter-ego after seeing many kids buying the sugary treats.

Series[]

Mr

Mr. Jelly, Knightbrace's real identity

In Operation T.E.E.T.H., He assaults Numbuh 3 in an alleyway, causing her teeth to literally blind others. The Kids Next Door then go to the candy shop after she had failed to bring them the candy they wanted and finds it to be closed. Mr. Jelly steps outside and invites them in to give them so candy, but this was seemingly to stalk them. He hesitates after Numbuh 2 asks him if he has any Taffy, he replies that they're out.

Later that night, Knightbrace attacks the sector in their treehouse. This gives Numbuh 1 suspicion that the dentist they saw from earlier, Dr. Sigmund Teef was who Knightbrace really is. The Kids Next Door tracked down where Knightbrace attacked Numbuh 3 and fought him. They eventually enter the dentist office and discover that Mr. Jelly is Knightbrace's true identity after Dr. Teef encounters them. Jelly explains his backstory and gets into a dentist chair, as it turns into a weapon. He then attacks the Kids Next Door by trapping them in Toothpaste and attempts to brush Numbuh 1's teeth. Before this happens, Dr. Teef throws a string of pink taffy at Knightbrace. This turns out to be his weakness, as it distracts him into eating it and it clogs up his machines, stopping Knightbrace from terrorizing the Kids Next Door for the time being.

While this was his only role where he is the main antagonist, he aids many other villains in the series such as Father, Mr. Boss, Mr. Wink and Mr. Fibb, etc. His goal of eradicating bad dental care also being part of his plans, as he had once tried to obtain the last box of Rainbow Munchies from a store in an attempt to destroy it due to being a sugar cereal, but was beaten up by Sector V and the Villain cast. He also appears in the Operation: Z.E.R.O movie as one of the villains attacking the Kids Next Door Seriously Cool Museum of Artifacts and Stuff and was one of the first villains to have been transformed into a Senior Citi-zombie after Grandfather was recommissioned.

Appearance[]

Knightbrace dawns a dark blue suit, with purple gloves and boots. He also has a gray belt with a purple letter K and a tooth picture on his torso. He also has a purple retainer that he can use as a projectile. It also gives him a lisp.

He also has White Caucasian skin with a gray mustache and a pair of glasses. When he was younger, his mustache was brown and also had brown hair to go along with it. He has seemingly went bald as he got older.

Trivia[]

  • Knightbrace is a villainous personification of Dentaphobia (fear or disliking of dentists), which is common for many children in real-life.
  • Knightbrace is a parody of Batman, he also has similar powers compared to Spiderman.
  • In early concept art, Knightbrace is depicted as an actual Knight.
  • Despite Mr. Jelly and Dr. Sigmund Teef being separate characters, his bio on the Cartoon Network website and in the Operation H.O.W.T.O.D.R.A.W. Booklet incorrectly lists Knightbrace as Dr. Sigmund Teef. This may have been done to avoid spoiling the truth to new viewers.
  • Tom Kenny puts a finger over his mouth when voicing him, giving off the effect that he is wearing a retainer.
  • Knightbrace's weakness for taffy is likely due to taffy being sticky and being difficult to remove when brushing teeth, hence why he is startled when Numbuh 2 asked him if he had any and how it gummed up the machinery of the dental chair.
  • Even though Mr. Jelly wears glasses, they do not appear when he is under the Knightbrace persona. It's possible that he wears contact lenses as Knightbrace.
  • when he was touch and transform into Senior Citi-Zombie his laugh sound like he voiced sound of Scoutmaster Lumpus from Camp Lazlo

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