Zalgo is a representation of an interpretation of Sonic.EXE made by Novaware, using the name Zalgo as it was tradition for Creepypasta back then to be involved with that. He is the main antagonist of the fangame Sonic2.EXE and its two sequels Sunshine.EXE and iNSaNIty.EXE by NovaWare. He is a demonic being that is able to corrupt everything around him and spread evil, and decides to do this by taking control of Sonic and Tails.