The Rat King, TMNT Wiki

The Rat King is a character and a villain in Teenage Mutant Ninja Turtles. He first appeared in the episode Monkey Brains. After his final fight with Splinter in which he falls off of a cliff, Falco is now deceased. "Formerly a scientist who studied DNA and parapsychology, I put one of my mutagenic hybrid compounds to the test, and accidentally transformed myself into the king of all rats. I now have the ability to command rodents, including Splinter. And I won’t rest until his meddlesome turtle

Basic Figures Rat King (Teenage Mutant Ninja Turtles (TMNT), Original Toyline, Evil)

TMNT, Wiki

TMNT 2012 The Rat King by dckakarott on DeviantArt

Official Info on the Nick TMNT Series [Archive] - Page 30 - The Technodrome Forums

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Rat King screenshots, images and pictures - Giant Bomb

Rat King (2003 TV series), TMNTPedia

TMNT 2012 EP.13: Attack of the Rat King

Who your favorite TMNT characters Mr. Splinter , Karai , Zanramon , Rat King , Leatherhead , Alopex , Bebop & Rocksteady , Hun , Rahzar , Tokka , Ninjara , Slash