Majin Sonic

Unintentional scary (because in the European/Japanese versions had groovy music while the Americans got nightmare fuel as music) deformed Sonic that appears in Sonic CD (Easter egg that appears if you set sound test to 46-12-25, appearing along with the message “Fun is infinite, SEGA enterprises, signed by Majin (hence the name)), Sonic.exe nightmare begins (as Creep) and FridayNightFunkin (hidden song from mod)! Differences between Majin and regular Sonic are:
Majin has 3 spines while Sonic has 6
Sonic has spines on his back while Majin doesn’t
Majin has a human face while Sonic has a cartoony animal face
Majin has no ears while Sonic does
Majin Sonic has been a part of a large debate if he has a mustache or not but the creator of the character has confirmed on Twitter that he doesn’t have a mustache!

Back in mah age da Majin Sonic Eastah egg gave us nightmares