|Citizen of the United States with no criminal record.|
|Nation or Planet of Origin|
|Base of Operations|
Langstrom: 6' 1"
Man-Bat: 7' 4"
Langstrom: 200 lbs.
Man-Bat: 315 lbs.
Chemical formula granting attributes indicative of a bat including: superhuman strength, speed, agility, flight and heightened senses including sonar.
Note: The transformation into Man-Bat is controlled by a compound extracted from a gland found in bats, and can be reversed by an antidote.
Man-Bat Serum: Serum derived from a gland found in bats.
|Detective Comics #400 (June, 1970)|
|Frank Robbins & Neil Adams|
Suffering from progressive deafness, Dr. Kirk Langstrom developed a serum derived from a gland found in bats to give himself a natural sonar. Although successful the serum had a drawback, he was transformed into a bat-like creature and became increasingly insane.
Due to the insanity which gripped him, Langstrom battled the Batman, but with the Dark Knight's assistance he was able to eventually control his transformations and the madness of the Man-Bat.