Only Demon Finn Bálor has appeared at SummerSlam, and though he has faced and defeated Bray Wyatt before, he has never battled the Fiend.
This standard nerd combines the looks of Shaggy with the brains of Scooby, has an unhealthy obsession with the Marvel Cinematic Universe, and is a firm believer that Alter Bridge are the greatest band in the world.
