Killer Moth (Drury Walker) is a fictional supervillain appearing in American comic books published by DC Comics, commonly as an adversary of Batman. The character first appeared in Batman #63 (1951). Killer Moth originally wore a garish costume of purple and green striped fabric, with an orange cape and a moth-like mask.Killer Moth is not to be confused with another Batman villain, Firefly, who has worn a similar costume.