Charlie Hieronymus Pace is a fictional character on the ABC television series Lost, chronicling the lives of plane crash survivors on a mysterious tropical island. Played by Dominic Monaghan, Charlie was a regular character in the first three seasons until the character's death in the season three finale. Monaghan was later billed as a guest star in season four. Introduced in the pilot episode, Charlie battles with an addiction to heroin in the first two seasons, before he finally lays his demons aside, establishing a relationship with Claire Littleton (Emilie de Ravin) and her son Aaron. In season three of the show, Charlie had to face his own mortality when Desmond Hume (Henry Ian Cusick) repeatedly foresaw his death. Flashbacks from the series show Charlie was a member of a rock band named DriveSHAFT.