Splinter
Fictional character
Splinter, often referred to as Master Splinter or Sensei by his students/sons, is a fictional character from Teenage Mutant Ninja Turtles comics and all related media. A mutant rat, he is the grave and stoic sage of the Turtles, their ninjutsu and... Wikipedia
Foes: Super Shredder, Tengu Shredder, and Cyber Shredder
Creators: Kevin Eastman and Peter Laird
Daughter: Karai
Abilities: Mastery of ninjutsu; High intellect; Keen sense of smell; Stealth mastery
First appearance: Teenage Mutant Ninja Turtles #1 (May 1984)