Gramps has appeared in 11 comics from Marvel Comics since 1976. The most recent cataloged appearance dates to 2008. Most cataloged appearances come from Omega the Unknown.
Collected Edition
Marvel Comics
7 issues
1 issue
Panini España
36 issues
152 issues
10 issues
Essential Defenders (2005)
Jul 02, 2008
Omega The Unknown Classic (2005)
Dec 14, 2005
Biblioteca Marvel: Hulk (2004)
The Defenders (1972)
Jun 26, 1979
Omega the Unknown (1976)
Jul 26, 1977
Apr 19, 1977
Dec 14, 1976
Nov 30, 1976
Oct 19, 1976
Sep 30, 1976
Amber Douglas
James-Michael Starling
Ruth Hart
Humanoid Prototype Model X3Z
Thomas Barrow
Dian Wilkins
Luis Anaya
Track what you own and follow the series you read.See what other collectors are picking up.