Teenage Mutant Ninja Turtles
Splinter – The Turtles' teacher (sensei) and adoptive father. Splinter is a Japanese mutant rat. He learned the ways of ninjutsu from his owner and master, Hamato Yoshi. In the 1987 TV series, Archie Comics series and the 2012 TV series, Splinter was Hamato Yoshi mutated into a human-like rat instead of being just Yoshi's pet.