But Billingham tells a story of one of his comrades in Belize, a man who was famously “hard as nails”. He now works with high profile celebrities and works in media. The toughest guy in the whole regiment. "Pain is glory," barked macho man Mark "Billy" Billingham as he ordered eight tools (sorry, "elite athletes") to run through the Amazon jungle. Mark Billy Billingham is a decorated former SAS solider. He has served in some of the harshest and most dangerous environments around the world. Mark Billy Billingham is a decorated former SAS solider. Billy is undertaking a UK tour to share his stories. Five's hilarious Unbreakable was a laugh a minute riot. Unbreakable.

Mark 'Billy' Billingham, is one of the stars of Channel 4's SAS Who Dares Wins and is an instructor to the recruits. Billy is undertaking a UK tour to share his stories. That is the myth, at any rate.