Geoffrey Patrick Dolan (known as Geoff Dolan) (born 29 December 1964 in Lower Hutt, New Zealand) is a New Zealand actor, singer and corporate entertainer who is probably best known in recent times as recurring character, Derrick/Thor in The Almighty Johnsons. He resides in Auckland. Geoffrey hails from Wainuiomata. Geoff is also a popular corporate entertainer, singer and stage performer. His voice can be heard on many commercials on New Zealand television.