On December 14, 2008 at Armageddon, he won the WWE Championship, his first world championship. During the next month, Hardy had several accidents, including a car accident and a pyrotechnics accident. Hardy's brother, Matt was revealed as the person behind the accidents, and interfered in his match at the Royal Rumble, causing Hardy to lose the WWE Championship to Edge. Matt defeated Hardy in an Extreme Rules match at WrestleMania XXV, but Hardy defeated Matt in an "I Quit" match at Backlash. At WWE Extreme Rules, Hardy defeated Edge in a ladder match to win the World Heavyweight Championship, but lost the championship immediately after wards to CM Punk, who cashed in his Money in the Bank briefcase.