Career
He also played the role of the Big Bopper in the Australian tour of Buddy - The Buddy Holly Story. He has toured Australia in Wombat Stew and Happy Birthday Peter Rabbit. Tonkin is well known in his home town of Ballarat due to his work with the Sweet Mona Choir, Entertainers Anonymous and Sovereign Hill.
He is also remembered as the "Cougar Guy" in the Australian television commercial "5 Cougars Thanks".