As the new WWF World Heavyweight Champion, The Ultimate Warrior would initially be a successful main event draw, with his main rival being "Ravishing" Rick Rude – a wrestler he had fought during much of 1989 over the Intercontinental Heavyweight Championship – during the spring and summer of 1990. Meanwhile, Hogan wrestled several matches in Japan shortly after WrestleMania VI but soon began feuding with the 470-pound Earthquake, with that feud heating up when Earthquake sneak-attacked Hogan on "The Brother Love Show" in May. Announcers explained that Hogan's injuries from the attack and the loss to Warrior both took such a huge toll on his fighting spirit that he wanted to retire, and viewers were persuaded to write Hogan to encourage him to return. Hogan would return by SummerSlam in August 1990 and got revenge on Earthquake, dominating him in matches that continued into early 1991.