|Dr. Kirk Langstrom/Man-Bat|
|Name||Dr. Kirk Langstrom/Man-Bat|
|Franchise||The LEGO Batman Movie|
|Vehicles and/or Gadgets||None|
Dr. Kirk Langstrom tested a serum based on bats' echolocation abilities on himself to try and cure his growing deafness, but it actually transformed him into a man-sized bat.