=== World Championship Wrestling (1989–1990) ===In 1989, Calaway joined World Championship Wrestling (WCW) as a villain and adopted the ring name Mean Mark Callous, a name devised for him by Terry Funk.
=== World Championship Wrestling (1989—1990) ===В 1989 году вступил в World Championship Wrestling (WCW), где выступал под именем «Mean» Mark Callous.