Ratcatcher
Ratcatcher is a character appearing in American comic books published by DC Comics, primarily associated with Batman. The character's real name is Otis Flannegan, a former pest exterminator who, after being exposed to chemical waste, developed an affinity for rats and the ability to control them. He uses a collection of trained rats, often wielding a gas-powered pipe or a modified Tommy gun, as his primary weapons and tools.
Ratcatcher's modus operandi often involves using his rodent army for criminal activities, such as extortion or
First appearing in Detective Comics #585 in 1988, Ratcatcher was created by Marv Wolfman and Erik Larsen.