Aaron is an Australian author of children's books and artist who until the mid-2000s was also an actor. His award winning picture books include Pearl Barley and Charlie Parsley, The Ghost of Miss Annabel Spoon and the best-selling Pig the Pug. In the field of acting, he is probably best known for his lead roles in two television dramedies, 1994's The Damnation of Harvey McHugh, for which he won an Australian Film Institute Award, and 2003's CrashBurn, before retiring from performance in 2005.