Mezue ahịrịokwu na-esonụ: A mụrụ Watson na Bristol nye nne bụ́ onye Wales na nna bụ́ onye England. O nwere ụmụnne nwanyị ejima ndị a na-akpọ Emma na Lucy na nwanne nwoke, Paul. Ọ gara ụlọ akwụkwọ Henleaze Junior wee gaa Bristol Grammar School, ụlọ akwụkwọ ụbọchị nwere onwe ya ebe ọ meriri ihe nrite nke 'Gabbler of the Year', tupu ọ gaa Queens' College, Cambridge, ebe ọ mụrụ Bekee, gụsịrị akwụkwọ na nsọpụrụ nke mbụ. Na mahadum ọ bụ onye otu Footlights na oge Stefan Golaszewski, Tim Key na Dan Stevens. Ọ bụ akụkụ nke revue nke a họpụtara maka ụdị Best Newcomer na
Perrier Comedy Awards na 2001 Edinburgh Festival Fringe ma soro Key duzie ihe ngosi.