Poor, poor Mitchell and his wolf-shaped bullet. We had an entire series to prepare ourselves for your demise and it was still devastating. When Being Human came on the air back in 2008, it was immediately apparent that Aidan Turner, the Irish actor responsible for bringing Mitchell to life, was going to be the breakout star on the show. So it didn't really surprise anyone when he was the first of the main cast members to announce his departure from the show at the end of the third season. Mitchell didn't have an easy journey on Being Human, but to be perfectly honest we really shouldn't have cared about his plight as much as we did. After all, he was a morally problematic character at best he massacred a train full of commuters and spent the better part of a season trying to cover his tracks. But there was something about his struggle to be a better person that felt so genuine, so we sympathized with him against our better judgment. It was heartbreaking to see him finally accept his mortality, to insist that his best friend George fulfill the prophecy and put a stake through his heart. It was a physically ugly death, but it was also emotionally painful and sometimes that's worse.