Bill Farmer the voice of Goofy, Pluto and Horace Horsecollar will be at the Armageddon Expo in Melbourne this weekend. He was named a Disney legend in 2009. There will be another expo in Sydney in February 2011 but it is not clear who will be there.
This is an expo for cartoon, gaming, fantasy, sci-fi, anime, manga, cosplay, comics, collectibles, TV and movie fans. Other guests include actors from Futurama and Dr Who and many more
http://www.armageddonexpo.com/au/