Originally from Melbourne, Coustas often performs as the character "Effie", a stereotypical second-generation Greek Australian prone to malapropisms.

[1] Coustas' initial claim to fame came from the comedy stage show Wogs Out of Work alongside Nick Giannopoulos, George Kapiniaris and Simon Palomares.

In 2019, Coustas joined the Shooshi Mango boys and Giannopoulos on stage in a show named Fifty Shades of Ethnic.

[7] Cilauro, along with Rob Sitch and Tom Gleisner, created the “ZLAD!” character to accompany their book, the parody Jetlag Travel Guide to Molvanîa.

[8][9] Cilauro, Sitch and Gleisner would later co-author of similar parody travel guides for Phaic Tăn (in south-east Asia) and San Sombrèro (in Latin America).

[13] In August 2013, Coustas and her husband announced in an interview with 60 Minutes[14] that she was 22 weeks pregnant and expecting their second child in early December 2013.