He brought his shadowy, moody textures to Batman, serving as the character's primary artist from 1981 to 1986, penciling most issues of "Detective Comics" and "Batman" during this time. His debut issue of the character's eponymous series was #340 (Oct. 1981). With writer Gerry Conway, Colan revived the Golden Age supervillains Doctor Death in "Batman" #345 (March 1982) and the Monk in "Batman" #350 (Aug. 1982) and introduced Killer Croc in "Detective Comics" #523 (Feb. 1983). Killer Croc appears in the 2016 live-action movie "Suicide Squad", portrayed by Adewale Akinnuoye-Agbaje. Another new character, Nightslayer, was created by Colan and Doug Moench in "Detective Comics" #529 (Aug. 1983).