Merlina the Wizard (魔導師マリーナ Madōshi Marīna?, lit. "Mage Merlina") is the principal antagonist of Sonic and the Black Knight. She is a unique member of the townspeople from the world of Camelot and the granddaughter of the legendary wizard Merlin. An exceptional and talented young wizard, Merlina serves the Royal Court as the Royal Wizard of Camelot.