NBA Jam (the book) on X: Greg Martin's 1991 cover art for Sonic the Hedgehog on the Sega Game Gear. / X
Greg Martin – A Tribute – MegaBites
This is John Wallowitch LP cover (front & back) • Andy Warhol • 1964 : r/1960s
What if Greg Martin drew the sonic mania cover ( I forgot to post it here) : r/SonicTheHedgehog
Greg Martin Sonic Re-design
doodled a Sonic that was heavily inspired by Greg Martin's artwork : r/SonicTheHedgehog
Greg Martin, Sonic Wiki Zone
Brighton SOURCE December/January 2011 by Brighton SOURCE - Issuu
Is it weird if I think the Greg Martin Sonic art is some of the best? I think the way he drew him perfectly captures the spirit of the character. : r/SonicTheHedgehog
Greg Martin, Artist Who Drew Sonic Box Art and More, Passes Away - Crunchyroll News