Rat King (Teenage Mutant Ninja Turtles) his mind as in later episodes. Even Splinter was affected by the music and almost killed the TMNT in a fight. The cartoon version of the Rat King was also depicted as highly intelligent, shown to be able to create such things as various chemical concoctions and bombs. In the series, the Rat King is shown as a homeless man living in a dilapidated portion of the New York City sewer system near the Turtles and Splinter. In episodes featuring him, the Rat King would often enact some sort of plot to establish his own rat-controlled government and bring human
Brown rat making it by at least this particular definition the most successful mammal on the planet alongside humans. With rare exceptions, the brown rat lives wherever humans live, particularly in urban areas. Selective breeding of "Rattus norvegicus" has produced pet rats, as well as the laboratory rat - the white rats used as model organisms in biological research. Originally called the "Hanover rat" by people wishing to link problems in 18th century England with the House of Hanover, it is not known for certain why the brown rat is named "Rattus norvegicus" (Norwegian rat), as it did not originate from Norway.