Sonic.exe is a creepypasta that involves a demonic entity who disguises himself as his idol, Sonic. His True Form consists of Sonic The Hedgehog, but with darker blue fur: Darker quills; black eyes with red tiny pupils, a wide, devilish smile with very sharp yellow teeth, and blood coming from his eyes. He has sharp, black claws. When he's disguised as Sonic, there’s only a few flaws, but otherwise it’s hard to tell he’s not Sonic.. In Sonics form, he tries his best to act like sonic.