Central protagonist and antagonist pair. Batman investigates mutagen theft, allies with the Turtles, and is temporarily mutated into a vampire bat by Joker venom and TCRI mutagen. Joker allies with Shredder and Ra's al Ghul, uses the mutagen to transform Gotham inmates, and is mutated into a king cobra.
Trusted law enforcement partners coordinating city defense.
Initial combatants who form a strategic alliance against shared villains.
Adversaries who evolve into cooperative combat partners.
Reluctant foes who unite for the city's survival.
Investigator and target who become trusted teammates.
Official police liaison supporting vigilante operations.
Hero and mutated villain engaged in direct combat.
Hero and rogue locked in physical struggle.
Criminal architect and city protector in ideological war.
Explore the full interactive character relationship map of Batman vs Teenage Mutant Ninja Turtles