Career: Ayoade's breakthrough came when he and Matthew Holness created fictional horror author Garth Merenghi; a stage show featuring the character won the Perrier Award, which was followed by the Channel 4 series Garth Merenghi's Darkplace. Ayoade went on to appear in The Mighty Boosh, Nathan Barley, Bunny and the Bull, and The IT Crowd. He made his big-screen directorial debut with the acclaimed Submarine (which he also wrote, adapting it from the novel by Joe Dunthorne), and has since directed The Double as well as numerous music videos for acts such as the Arctic Monkeys, Super Furry Animals, the Yeah Yeah Yeahs and Kasabian. He's was a team captain on Channel 4 panel show Was It Something I Said? and took over as host of Gadget Man from Stephen Fry.

Career: O Briain's first post-uni job was as a children's TV presenter for RTE. He also began performing stand-up gigs on the Irish comedy circuit. He came to prominence as a team captain on the Irish topical panel show Don't Feed The Gondolas (1998-2000). He then toured heavily, performing across Europe, Asia, Australia and North America. In 2002, O Briain began making appearances on British TV shows. He has hosted the comedy panel game Mock the Week since 2005, and continues to perform stand-up. He took over from Adrian Chiles as the host of The Apprentice: You're Fired! in 2010, but quit in 2014. He has also branched out into maths and science with the series School of Hard Sums and Stargazing Live.