Mutant turtle leader, skilled katana wielder, disciplined and protective of his brothers.
Brothers clash over whether to use mutagen to become human, highlighting Leo's discipline versus Raph's impulsiveness.
Mikey supports his brothers' decisions and actively participates in team operations despite his carefree nature.
Leo relies on Donnie's technical insights while maintaining command authority over sensitive information.
April bridges the gap between the mutant heroes and human authorities, facilitating crucial alliances.
Casey integrates into the mutant team, providing street-level support and combat assistance.