Lloyd originally trained as a classical choral singer at the University of Exeter before becoming a comedian in 2010. He started in stand up comedy before starring in comedy short Inheritance and on the BBC Radio 1 Comedy Lounge in 2014. Prior to 2019, Griffith performed as tour support for Rob Beckett and Jack Whitehall.

Griffith started his TV career on BBC Three show Taxi to Training in which he would interview professional footballers (such as Troy Deeney, Asmir Begovic and Dele Alli) as he drove them to their respective training grounds. He also appeared on BBC, Sky TV and Comedy Central shows including Drunk History, Rugby's Funniest Moments and Sweat the Small Stuff.[citation needed] Griffith has recently made frequent appearances on Comedy Central Live at The Comedy Store, Comedy Central's Roast Battle and E4's 8 out of 10 Cats. He also had a small recurring part in the NBC comedy Ted Lasso. Recent acting credits have including Not Going Out, It's a Sin, & Bounty Hunters.