Kirby Bat
Biographical information

New York City

Physical description

Human-born mutant bat



Out of universe information

2012 games



First appearance

Teenage Mutant Ninja Turtles Legends

Teachers and Students

Kirby O'Neil in his bat mutation is a playable character in Teenage Mutant Ninja Turtles Legends.

Unlike most other mutants that were playable in TMNT Legends, Kirby only appears in his mutant form here - likely as his human incarnation would have little-to-no combat techniques. As this is Dr. O'Neil's sole appearance in a video game, he is only ever shown as a mutant and does not return to human form in this mini-continuity.

As described in his official biography, even though he is feral, he retains his position as an ally of the Turtles due to his connection with his daughter April, and also is empathetic to her moods.

TMNT Legends bio

More feral than most mutants, Kirby Bat is non-verbal and doesn't retain much of his human personality. Luckily, Kirby Bat recognizes April and does not harm her. He is calm when she is calm and angry when she is angry.

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