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Description
Dr. Kirk Langstrom, a scientist specializing in the study of bats, develops an extract intended to give humans the bat's sonar sense and tests the formula on himself because he was becoming deaf. While it works, it has a horrible side effect: it transforms him gradually into a hideous humanoid bat-like monster. He first clashes with Batman when he tries to steal the chemicals needed to reverse his transformation, but his control over the new animalistic instincts resulting from his bat like state is tenuous and Batman is forced to subdue him in order to administer the antidote.

Langstrom later refines his serum, enabling him to retain his human intelligence while in bat form, and allowing himself control over his transformations. He works for a while as a detective and independent crime fighter as Man-Bat, while he and his fiancee, Francine marry and have a daughter, Rebecca. Eventually, however, his instability returns and he is left unable to control his transformations. In this condition, he clashes several times with Batman in the Batcave (which he finds by following other bats through the network of caverns; he does not recall its location in human form, and he never knows Batman's secret identity), believing — erroneously — that his daughter is dead and that Batman is somehow responsible.

Although he briefly regains control of his transformations, this appears to have changed. He begins to suspect that his cures missed an element of the serum, and he's losing control to his bat side. He believes he has slaughtered his own wife, son, and daughter.

However, both Kirk and Francine are shown to be alive in the "One Year Later" story-line. In Batman #655 (September 2006), Talia Al Ghul ties up and gags Francine, and then threatens to poison her if Kirk does not give her the Man-Bat formula. After Langstrom gives her the formula, she releases Francine as promised. Talia utilizes the mutagen to turn members of the League of Assassins into Man-Bats.

Debut: Detective Comics #400 (June, 1970)

voicing fancast
Loren Lester as Man-Bat

part 11 of me and legoman142 's Batman: Arkham Universe arc

Description
Dr. Kirk Langstrom, a scientist specializing in the study of bats, develops an extract intended to give humans the bat's sonar sense and tests the formula on himself because he was becoming deaf. While it works, it has a horrible side effect: it transforms him gradually into a hideous humanoid bat-like monster. He first clashes with Batman when he tries to steal the chemicals needed to reverse his transformation, but his control over the new animalistic instincts resulting from his bat like state is tenuous and Batman is forced to subdue him in order to administer the antidote.

Langstrom later refines his serum, enabling him to retain his human intelligence while in bat form, and allowing himself control over his transformations. He works for a while as a detective and independent crime fighter as Man-Bat, while he and his fiancee, Francine marry and have a daughter, Rebecca. Eventually, however, his instability returns and he is left unable to control his transformations. In this condition, he clashes several times with Batman in the Batcave (which he finds by following other bats through the network of caverns; he does not recall its location in human form, and he never knows Batman's secret identity), believing — erroneously — that his daughter is dead and that Batman is somehow responsible.

Although he briefly regains control of his transformations, this appears to have changed. He begins to suspect that his cures missed an element of the serum, and he's losing control to his bat side. He believes he has slaughtered his own wife, son, and daughter.

However, both Kirk and Francine are shown to be alive in the "One Year Later" story-line. In Batman #655 (September 2006), Talia Al Ghul ties up and gags Francine, and then threatens to poison her if Kirk does not give her the Man-Bat formula. After Langstrom gives her the formula, she releases Francine as promised. Talia utilizes the mutagen to turn members of the League of Assassins into Man-Bats.

Debut: Detective Comics #400 (June, 1970)

voicing fancast
Loren Lester as Man-Bat

part 11 of me and legoman142 's Batman: Arkham Universe arc