<Tr> <Th> Base (s) </Th> <Td> Manhattan, New York City </Td> </Tr> <Tr> <Th> Member (s) </Th> <Td> Leonardo Donatello Michelangelo Raphael </Td> </Tr> <P> The Teenage Mutant Ninja Turtles (often shortened to TMNT or Ninja Turtles) are four fictional teenaged anthropomorphic turtles named after Renaissance Italian artists . They were trained by their anthropomorphic rat sensei in the art of ninjutsu . From their home in sewers of New York City, they battle petty criminals, evil overlords, mutated creatures, and alien invaders while attempting to remain hidden from society . They were created by Kevin Eastman and Peter Laird . </P> <P> The characters originated in comic books published by Mirage Studios and expanded into cartoon series, films, video games, toys, and other merchandise . During the peak of the franchise's popularity in the late 1980s and early 1990s, it gained worldwide success and fame . </P>

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