Simon George Thomas (born 24 August 1979 in High Wycombe, Buckinghamshire) is a British TV presenter, stand-up comedian and actor.

Thomas attended Aberystwyth University, Wales, where he studied drama from 1998 to 2001 and received a BA upper second.^{[citation needed]}

In 2005, Thomas took part in a documentary film with Alexis Dubus about the Plymouth to Banjul Challenge. The project involved buying a car for £100 and attempting to drive it 4,000 miles through seven countries and the Sahara Desert before auctioning it off for local charities in the Gambia.^[2] He has referred to this as a life-changing experience.^[3]

In 2006 he started presenting comedy characters on Nickelodeon which led to a full presenting role on ME:TV and the UK Kids' Choice Awards in 2007.

Thomas is a regular performer at the Edinburgh Festival Fringe with his comedy partner Simon Feilder. Their 'Life Of Si' shows spun off from a series of YouTube videos made when they lived in the same London flat.^[4][5]

Thomas appeared in a viral Vodafone campaign alongside Lewis Hamilton^[6][7]

He was the lead presenter on the first two series of the TV programme The Cool Stuff Collective by Archie Productions on ITV.^[8]

In June 2011, Thomas began demonstrating products from the Argos catalogue, such as backpacks and camcorders, on home shopping channel Argos TV.^[9]

From September 2012, Thomas has starred as Archie in the CBBC sitcom The Revolting World of Stanley Brown.^[10]

Since 2021 Sy has been on Twitch https://www.twitch.tv/sythomascomedy ^[11]

According to Sy in his stream he said he wouldn't do "I'm a celebrity, get me out of here" because he would be known as the guy who ate a bollock. At 1h59m30s on Twitch Video^[12]