Total list of characters, along with commentary. If anything is wrong feel free to correct me:
Cover 1
Bonnie McFarlane - Red Dead Redemption (Giant WTF)
Jimmy Hopkins - Bully (Giant WTF)
Captain John Price - Modern Warfare series (Meh, not bad)
Kaim Argonar - Lost Odyssey (Good)
Generic Dragon Age Character - Dragon Age: Origins (Meh, should have used an actual character)
Kratos - God of War series (Good)
Tommy Vercetti - Grand Theft Auto: Vice City (Good)
Nico Bellic - Grand Theft Auto IV (Meh)
Jade - Beyond Good & Evil (Epic)
Auron - Final Fantasy X (Good)
Cover 2
Wander - Shadow of the Colossus (Epic)
KOS-MOS - Xenosaga series (WTF)
Ethan Mars - Heavy Rain (Good)
The Illusive Man - Mass Effect 2 (Meh)
Master Chief - Halo series (Good)
Professor Layton - Professor Layton series (Epic)
Phoenix Wright - Ace Attorney series (Epic)
Commander Shepard - Mass Effect series (Good)
Alyx Vance - Half Life 2 and episodes (Epic)
Razputin "Raz" Aquato - Psychonauts (Epic)
Cover 3
GLaDOS - Portal (Epic)
The Boss (Epic, but poor artwork)
Andrew Ryan - Bioshock (Epic)
Tim - Braid (Epic)
Nathan Drake - Uncharted series (Epic)
Elena Fisher - Uncharted series (Meh)
Ezio Auditore de Firenze - Assassin's Creed II (Epic)
King of All Cosmos - Katamari series (Epic)
HK-47 - Knights of the Old Republic (Epic, meatbag)
John Marston - Red Dead Redemption (Good)