Hellboy is a comic book superhero created by writer-artist Mike Mignola. The character first appeared in San Diego Comic-Con Comics #2, 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 the 2019 reboot which starred David Harbour, as well as two straight-to-DVD animated films, again starring Perlman, and four video games – Asylum Seeker, The Science of Evil, as a playable character in Injustice 2, and Web of Wyrd. A fourth live-action film and second reboot, Hellboy: The Crooked Man, will star Jack Kesy as the character.

Michael Mignola is an American comic book artist and writer best known for creating Hellboy for Dark Horse Comics, part of a shared universe of titles including B.P.R.D., Abe Sapien, Lobster Johnson, and various spin-offs. He has also created other supernatural and paranormal themed titles for Dark Horse including Baltimore, Joe Golem, and The Amazing Screw-On Head.