Eclipse Comics:

Doc Stearn…Mr. Monster (1985) 1-10

Mr. Monster’s Super Duper Special (1986) 1-8

[One Shot] Airboy and Mr. Monster (1987)

Dark Horse Comics:

Dark Horse Presents (1986) 14, 20, 28, & 33

Doc Stearn…Mr. Monster (1988) 1-8

Dark Horse Presents (2011) 1-3, 17, 27-30, & 33-35

Tundra Publishing:

Mr. Monster Attacks! (1992) 1-3

Atlas:

[One Shot] Mr. Monster’s 3-D Triple Threat (1993)

Caliber Comics:

Mr. Monster Presents: (crack-a-boom) (1997) 1-3

Image Comics:

[One Shot] Mr. Monster vs. Gorzilla (1998)

Mr. Monster’s Gal Friday…Kelly (2000) 1-3

Atomeka Press:

[One Shot] Mr. Monster: Worlds War Two (2004)

[One Shot] Mr. Monster: Who Watches the Garbagemen? (2005)