The main feud heading into the Royal Rumble was between the 30 superstars from the entire World Wrestling Federation (WWF) who had selected to participate in the first-ever 30 man Royal Rumble match. Big John Studd returned to WWF in late 1988 and turned babyface after not siding with former manager Bobby Heenan and began a feud with Heenan's client André the Giant. Both men signed to participate in the Royal Rumble match. Mr. Perfect, who joined WWF in the summer of 1988 was pushed as an undefeated heel wrestler, entering his name into the match. Bad News Brown was pushed as an arrogant powerful heel who was an enemy of face and heel wrestlers. As a result, he also entered his name into the match. Many tag team wrestlers also selected to participate in the match and selected their entry numbers. The Mega Powers (Hulk Hogan and WWF Champion Randy Savage) were involved in a feud with The Twin Towers (Akeem and The Big Boss Man) since November 1988. At Survivor Series, Mega Powers became the survivors for their team in Survivor Series match against Twin Towers. Since then, Mega Powers and Twin Towers had been at odds and both teams signed to participate in the Royal Rumble.