Rat sensei and adoptive father to the four Ninja Turtles.
Splinter serves as Leonardo's adoptive father, teacher, and spiritual guide.
Splinter is described as the turtles' adoptive father and sensei. He trains Leonardo in ninjutsu and later gives him a final lesson through a vision.
Splinter guides Raphael through his anger and rebelliousness.
The turtles return to their sewer lair where Splinter, their adoptive father, counsels Raphael after his conflict with Casey and Leonardo.
Splinter is Donatello's adoptive father and martial arts teacher.
The plot identifies Splinter as the adoptive father of the turtles and shows him training the group in ninjutsu.
Their conflict is rooted in an old vendetta and culminates in the rooftop duel.
Splinter explains that Oroku Saki was Hamato Yoshi's rival who killed Yoshi and Tang Shen; Shredder later recognizes Splinter as Yoshi's pet rat.
Tatsu is part of the force imprisoning and guarding Splinter.
Splinter is held prisoner at the Foot hideout under Shredder's command, where Tatsu serves as the loyal lieutenant and enforcer.
Explore the full interactive character relationship map of Teenage Mutant Ninja Turtles
Related entry on Wikidata (Q106540793), public domain (CC0).