"The intensity he puts into his singing and character acting is on another
level. His act rolls along smoothly and nothing felt forced. Shut Your Cakehole
is an enjoyable romp with songs, great stand-up and
excellent storytelling, full of gags"
- Chortle 2019
He is arguably best known for his acting and in particular for playing Father Damo in the Channel 4 sitcom Father Ted, appearing in the episode "The Old Grey Whistle Theft". Rooney had a starring role as Timmy Higgins in the RTÉ television comedy Killinaskully, which ran for five series. Joe also wrote on the fourth and fifth series of Killinaskully. He currently hosts the podcast PodaRooney, on which he interviews guests who are mostly involved in the entertainment industry. Joe has performed stand-up worldwide, including New York, Los Angeles, San Francisco, Chicago, Pittsburgh, Toronto, Shanghai, Beijing, Hong Kong, Barcelona, Brussels, Moscow, Muscat (Oman), Manama (Bahrain) and Dubai. He has also performed at Irish festivals in Kansas City (Missouri), Milwaukee and La Crosse. (Wisconsin).