 The Undertaker's feud with Ted DiBiase's Million Dollar Corporation also escalated, as DiBiase's men stole the urn that was said to give The Undertaker his power.Jarrett and Ramon continued to feud for several months, and Bret Hart targeted Bob Backlund because of Backlund's interference in the WWF World Heavyweight Championship match.The Royal Rumble is an annual gimmick pay-per-view, produced every January by the World Wrestling Federation (WWF, now WWE) since 1988.