The Undertaker is one of the most famous names in the wrestling world with his huge celebrity soon to be immortalised by being inducted into the WWE Hall of Fame.56-year-old Mark William Calaway took part in the WWF - now WWE - for 30 years, first signing up for the promotion in 1990 and finally stepping out of the ring for the last time in 2020.The four-time WWE champion was a mainstay in many of the promotion highest billed events, frequently appearing in the likes of WrestleMania.But despite his glittering career, the Deadman hasn’t been without his fair share of controversies.