Cassius Warrington and the Triwizard Tournament

"There's a rumor going round, Warrington got up early and put his name in," Dean told Harry. "That big bloke from Slytherin who looks like a sloth." Harry, who had played Quidditch against Warrington, shook his head in disgust. "We can't have a Slytherin champion!" But then, they did. Goblet of Fire AU where Warrington is the Hogwarts champion. Based on the tumblr post.