Complex - The heroes in Assassin's Creed series aren't the only ones in the gaming biz who's got plenty of killer cred. There exists a great deal in gaming's history who'd rather stalk prey than eat a delicious dinner. We've gathered several of them here for your blood thirsty viewing pleasure. Assassin's Creed's Altair, Hitman's Agent 47 and many others rank amongst our list of contract killers to create a symphony of silenced pistols, assassins, and other ne'er-do-wells. See any of your favorites? Are we missing someone? Let us know, but be sure to watch your back.