Hot-headed turtle brother, expert in sai and close combat.
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.
The brothers share loyalty but clash over leadership and responsibility.
Raphael argues with Leonardo over leadership at April's apartment, while the plot presents both as members of the same turtle family.
Their relationship combines sibling loyalty with combat cooperation.
Raphael and Donatello return together to defend their lair and fight the Foot Clan as members of Splinter's turtle family.
Raphael directly protects April and helps bring her into the turtles' hidden world.
Raphael defeats the Foot soldiers attacking April and carries the unconscious reporter to the turtles' lair.
Their first interaction is a vigilante confrontation that later becomes cooperation.
Raphael comes to blows with Casey after Casey encounters him while watching Critters.
Shredder's organization repeatedly targets Raphael as one of the turtles.
Shredder sends Foot soldiers against the turtles, and Raphael is later ambushed and beaten unconscious by the Foot.
Explore the full interactive character relationship map of Teenage Mutant Ninja Turtles
Related entry on Wikidata (Q106540755), public domain (CC0).