Mengele

"Mengele" is the actual name of the infamous "Angel of death" of Auschwitz, a nazi captain and doctor in genetics who performed gruesome experiments on twins during WW2, with the aim to create aryan twins. Many of those children died from various illnesses or infections shortly after Mengele started performing experiments on them.

Have you ever heard of doctor Josef Mengele? He was one of the most feared nazis of all time.