Brett Domino is the alter-ego of musician and comedian Rob J. Madin. As Brett Domino, he is a YouTube musician and internet celebrity from Leeds, West Yorkshire, England. He is best known for his YouTube videos, in which he plays covers, medleys and original songs on various obscure musical instruments; most notably the keytar and Stylophone. His band, 'The Brett Domino Trio' currently consists of only two members - Brett Domino and Steven Peavis (Ste Anderson), having only been a three-piece for around a year. Mitch Hutchinson (Michael Denny) left the band in 2009 to become a fork-lift truck driver, he later returned one more time to celebrate the bands fifth anniversary. Brett and the band have been featured a number of times as part of BBC Radio 1's Chris Moyles Show, and in 2009 the band appeared on ITV's Britain's Got Talent, performing live as the house band on two episodes of ITV2's sister show, Britain's Got More Talent, in the final week.

Brett's YouTube videos have received over 14,000,000 views. The Justin Timberlake Medley featuring Trabasacks was posted by Justin Timberlake on his Twitter page and official website.