Xenophanes, also known as Sonic.EXE, is the central antagonist of Story Mode. He is a sadic demon that resides in a haunted Sonic the Hedgehog cartridge. Sonic.Exe, also known today as Xenophanes, is a demonic entity who takes Sonic's appearance. He first debuted in his eponymous creepypasta in the year 2011, where he cold-bloodedly kills Tails, Knuckles, and Eggman, while mentally torturing players (Kyle and Tom) who play "his" game. He calls himself God, even though he a bloody hedgehog demon.