Splinter (Teenage Mutant Ninja Turtles) Splinter (Teenage Mutant Ninja Turtles) Splinter, by his students often called Master Splinter, is a fictional character from the Teenage Mutant Ninja Turtles comics and all related media. In both the original comics and the live-action movies, Splinter is the pet rat of a ninja named Hamato Yoshi in Japan. Intelligent for his species, Splinter is able to learn ninjutsu art by mimicking his master's movements while he practiced. Yoshi becomes embroiled in a dispute with a fellow ninja by the name of Oroku Nagi, and is eventually murdered by Nagi's brother, Oroku Saki, who is seeking revenge for his
Splinter (Teenage Mutant Ninja Turtles) the Kraang. Reluctantly allowing the group to get involved, Splinter appoints Leonardo as their leader and continues to offer counsel and lessons as they engage various foes. Recognizing great sensitivity in April, he begins training her as a kunoichi, and comes to regard her with a fatherly fondness. Splinter ventures from his lair on only two occasions. The first is when he falls under the control of the Rat King, who attempts to persuade him to forsake his humanity and embrace the life of a rat. Splinter eventually breaks free with the Turtles' help and defeats the Rat King. The