Hellboy is a fictional superhero created by writer-artist Mike Mignola. The character first appeared in San Diego Comic-Con Comics #2 (August 1993), and has since appeared in various eponymous miniseries, one-shots and intercompany crossovers. The character has been adapted into three live-action feature films. Two starring Ron Perlman in 2004 and 2008 in the title role, and one in 2019 which starred David Harbour, as well as two straight-to-DVD animated films, and three video games – Asylum Seeker, The Science of Evil, and as a playable character in Injustice 2.