Dr. Josef Mengele
Dr. Josef Mengele, aka the Angel of Death (born c. March 1911) is a member of the Barney Bunch. He does experiments on Waternoose Incorporated and Censored Bunch prisoners. It was rumored that the cause of many deaths among minor Censored Bunch members was due to being used in Dr. Mengele's experiments. However, in 1987, he did a botched experiment on Koopa semen that later created created the evil Boomerang Bro.