weapons, often selling them on the black market to terrorists and other criminals. He is now depicted as a bald, gnome-like man wearing a lab coat and an oxygen mask. This incarnation of Dr. Death plays a minor role in Batman: War Games where he is seen working with the crime lord Black Mask, releasing a gas into a crowd of panicking gangsters. Batman suspects that he and Black Mask are attempting to wipe out their competition. Dr. Death remains active in the DC Universe following the events of Infinite Crisis. In 52 #2, he is mentioned as one of many mad scientists who have gone missing. He is depicted later in the series among other captured scientists and mad geniuses on Oolong Island that make up the Science Squad. He was seen joining forces with Black Mask again in Batman #692 in his "Ministry of Science". In Batman: Streets of Gotham #17-18, the reader learns his backstory, involving an altercation with Thomas and Martha Wayne as well an alliance with gangster Judson Pierce and Hush. The New 52 In September 2011, The New 52 rebooted DC's continuity. Here, a new version of Dr. Death appears in Batman #25 as part of the story arc Batman: Zero Year. He is once again established as one of the first supervillains encountered by Batman early in his career. A disgruntled former Wayne Enterprises scientist, Dr. Death murders several people with a serum that causes uncontrolled bone growth. He is depicted with a skeletal appearance, a result of testing his serum on himself. Dr. Death joins forces with the Riddler to try to seize control of Gotham City during a super-storm. In Batman #29 (2014), it is revealed that Hellfern created his bone serum in an attempt to eliminate human weakness. This was motivated by the death of his son, a soldier who had been sent to locate the missing Bruce Wayne overseas. Dr. Death battles Batman aboard a blimp in the midst of the storm. He is struck by shrapnel from an explosion, which causes his mutated bones to begin growing again, seemingly killing him. Other characters named Doctor Death A different character named Doctor Death appears in Doom Patrol #107 (November 1966). In Sandman Mystery Theatre #21 (December 1994), Wesley Dodds encounters a serial killer named "Doctor Death", a.k.a. Dr. Raymond Kesslor. This Doctor Death is responsible for euthanizing his elderly