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Rat King (2012 TV series)

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I am The Rat King.
~ Falco

The Rat King, AKA Dr. Victor Falco is the latest incarnation of the character in the 2012 Teenage Mutant Ninja Turtles series. This version of the character has a more malnourished and corpse-like appearance, wearing a plague doctor-inspired costume of a black cloak and a wide-brimmed hat. He is voiced by Jeffrey Combs.


Rat King started out as a human scientist named "Dr. Victor Falco", and debuted in the episode "Monkey Brains". He and his colleague Dr. Tyler Rockwell were working on an experiment that involved Mutagen, a neuro-chemical, and monkey DNA when they were approached by the Kraang. When it was mentioned on the news that Dr. Tyler Rockwell was missing, Dr. Falco alluded that he was oblivious to the situation.

Falco pretended to help April O'Neil and the Turtles and gain their trust. The Turtles later figured out what Dr. Falco was really doing experiments with mutagen on his former colleague Dr. Tyler Rockwell, turning the latter into a mutant ape with psychic powers. Falco gained the same psychic powers temporarily by extracting a neuro-chemical from the mutant's brain and injecting himself with it. With his new power, Falco was able to defeat the Turtles in combat by reading their thoughts and predicting their moves. Donatello finally defeated him by fighting without thinking, but Falco escaped before the Turtles could ask him what he knew about The Kraang.

In "I, Monster", Falco was shown living in hiding, and continued to work on his psychic neuro-chemical in a secret laboratory with only sewer rats to experiment on. One day, the rats chewed through some cables and started a fire in the lab. Falco was injured by the flames, but the neuro-chemical splattered on him, giving him a psychic connection to rats. Falco used his new ability to control the rats in his lab and they saved him from the fire. Some time later, Falco went into hiding in the sewers, nicknamed himself as The Rat King, and began plotting to use his powers to take over New York City. He launched a full scale assault on the city with his hoards of rats. Eventually Rat King became aware of Splinter through telepathy. Knowing that the Turtles would come to stop him, Rat King used psychological warfare to control Splinter's mind. When Splinter fights the turtles, they became overconfident because they were actually able to land a blow on him, but soon realized that Splinter was going easy on them all those years. They manage to snap him out of it and Splinter beats Rat King with two fingers. Rat King was last seen being carried off by his rats.

He returns in "Of Rats And Men". Where had mutated several of his rats into giant-sized versions of themselves and had them kidnap humans to experiment on. He plotted to mutate the entire city of New York into rat people who would spread a mutation virus that would mutate anyone they bit, similar to the black plague. The turtles manage to save his victims, leaving Splinter to face him. After rendering him unable to see, by knocking off the white rat on his shoulder, Splinter sent the Rat King plummeting to his supposed death.


Unlike other incarnation of the Rat King, who either want to take over New York for their rats or just want to be left alone and only attack the turtles when they invade his territory, the 2012 Rat King is a complete villain who gleefully causes others harm. When he first appeared, he acted as though concerned about his colleague, but he was the one who mutated him to create neuro-chemical that would make him psychic. After becoming the Rat King, he renounced humanity and became devoted to overthrowing them. During this, he takes over Splinter and watches in sadistic glee when the turtles are forced to fend for their lives against their master. Another difference between him and past Rat King character is that he's a hypocrite with his "brothers". He goes on about rat's being preferable to humans and how much he cares for them, yet he doesn't bat an eye when he experiments on them (one of them became a grotesque blob that was incapable of movement and crying out in pain, yet that didn't bother him) or sacrificing them in battle.


  • The Rat King is generally considered to be the darkest villain in the 2012 series, being the only one to be labeled as a complete monster. He is also one of few Nicktoons villains to be a complete monster along with: Dark Danny, Fire Lord Ozai, Dag, and Unalaq.
  • So far his fate is unknown since he has not been shown since "Of Rats and Men".


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