Nathan Wyburn (born 24 October 1989) is a Welsh artist, well known for his celebrity portraits using Marmite on toast. Nathan went on to study BA HONS Fine Art at the University of Wales Institute Cardiff, where he is currently still in attending. His breakthrough piece was a time lapse video of him painting a portrait of pop mogul Simon Cowell on toast, using the controversial yeast extract, Marmite. This was uploaded to his www.youtube.com/wyzynathan channel, which already exhibited various other celebrity graphite drawings and pulled in over 3.5 Million hits.