Byrne grew up in Artane and had originally studied accountancy in Carlow, but opted to leave the course early.
He then went on to work for his father's painting and decorating business, ultimately taking it over, and he was joined there by his brother Maurice, a former chief inspector with the DSPCA.
[1] In 2004, he began to work for events companies, dressing up for promotions, karaoke, DJing, playing Elvis in Christmas cabarets.
[2] In 2005, Byrne joined the Irish public broadcaster Raidió Teilifís Éireann, after his wife spotted an advert for continuity announcers, he began working on shows with Ryan Tubridy and Derek Mooney.
[3][4] Byrne met his partner Linda Nolan in the Stillorgan Musical Society and they married in October 2000, they have three children, Holly, Jack and Katie.