Born in 1968, Jamie Hewlett was just 20 when he created Tank Girl, the iconic comic character that first made his name. Since then, he has gone onto even greater heights in his collaborations with Damon Albarn in Gorillaz and the opera Monkey: Journey to the West. As Taschen releases a monograph looking back at 25 years of his work, we talk to Hewlett about the most significant moments in his career to date.