Amazing Screw-On Head (One-shot) (2002)

Amazing Screw-On Head (Sketchbook included with movie) (2006) (GrumpyBear-DCP)

Dark Horse Book of Monsters - The Hydra and the Lion

Dark Horse Presents 011 (2015) (digital) (Son of Ultron-Empire)

Dark Horse Presents 016 (2015) (digital) (Son of Ultron-Empire)

Dark Horse Presents 07-200 (2015) (2 covers) (digital) (Son of Ultron-Empire)

Dark Horse Presents v2 007 (2011) (digital-Empire)

Dark Horse Presents v2 008 (2012) (2 covers) (c2c) (Minutemen-DTs)

Dark Horse Presents v2 009 (2012) (2 covers) (c2c) (Minutemen-DTs)

Dark Horse Presents v2 031 (2013) (digital) (Son of Ultron-Empire)

Dark Horse Presents v2 032 (2014) (digital) (Son of Ultron-Empire)

Dark Horse Presents v2 036 (2014) (digital) (Son of Ultron-Empire)

Hellboy in Mexico (Lionsgate Exclusive cover ONLY) (2019) (digital) (Son of Ultron-Empire)

John Byrne's Next Men 021 (1993) (1st Hellboy appearance)

King Vold

Mike Mignola Sketchbook 2013 - A Year of Monsters (c2c) (F) (Pmack)

San Diego Comic-Con Comics 02 (1993) (Robbdaman-DCP)

The Amazing Screw-On Head and Other Curious Objects (2010) (digital) (Son of Ultron-Empire)

The Comics Buyer's Guide 1070 (May 20 1994)