The Undertaker is widely viewed as one of the greatest WWE Superstars of all time and a locker room leader. However, a legend recently accused The Phenom of jealousy. At WrestleMania XII, The Undertaker defeated Nash in a 16-plus-minute singles match. Kevin Nash responded to the former WWE Champion's comments on the latest episode of Kliq This. WWE Superstars are often seen breaking character and spending time with their on-screen rivals outside the ring.