Firearm is a comic book series created by writer James Robinson and artists Howard Chaykin and Cully Hamner for Malibu Comics' Ultraverse imprint, which lasted 18 issues, with an additional 0 issue. The 0 issue included a 35-minute Firearm short film, on VHS. The series was about Alec Swan, a private investigator who, against his own wishes, becomes embroiled in cases involving the strange and the ultra-human. After the series ended, there was a six-issue mini-series called Codename: Firearm about another character with the same code name, which featured Alec Swan in backup stories.