who is cluemaster
The Cluemaster is a fictional supervillain appearing in American comic books published by DC Comics, commonly as an adversary of the superhero Batman. Cluemaster first appeared in Detective Comics #351 (May 1966) and was created by Gardner Fox and Carmine Infantino. A failed game show host, the character became a criminal who leaves clues to his crimes, but unlike the Riddler's clues, they are not in the form of riddles.