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Dr. Kirk Langstrom was a scientist trying to find a cure for deafness using bat DNA but accidentally turned himself into the Man Bat.
Dr. Kirk Langstom (Man Bat)
"The Man-Bat"
for "The Man-Bat" in Teenage Mutant Ninja Turtles 2: Stomped Truths
Suggested by mrq
After discovering that their Master Splinter and the ruthless Shredder have a common past, the Turtles must face the truth of his origins, and prepare for what they mean for the future.
