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
Rat King (Teenage Mutant Ninja Turtles) to fight off any alien threats and was given a test run against the Turtles, who broke into Bishop's laboratory looking for the kidnapped Splinter. The Slayer was presumed destroyed when a fight between him, the Turtles, Splinter and Bishop flooded the agent's lab. In actuality, the Slayer survived and was sent hurdling through the sewers, eventually being deposited near the industrial park the events of "I, Monster" take place in. Losing several of his robotic parts, cloaking device and healing ability, the Slayer degenerated into an even more monstrous form, becoming the Rat King. The Rat King makes a