After attending the University of Adelaide, Shaun Micallef wrote and performed in comedy productions of his own while working as a solicitor. In 1993 he went to Melbourne to write sketches for Full Frontal and Jimeoin. He then started appearing in both shows and became co-producer of Full Frontal as well as writing for The Big Gig.
Micallef's involvement with Glynn Nicholas began in 1986 when both of them were performing at the same comedy venue for the Adelaide Festival.