Dee ihe ga-aga n'ihu na paragraf a - N'afọ 1996, Tiernan nwetara ihe nrite Channel 4 nke isiokwu ya bụ "Ya Mere I Ji Chee na Ị Na-atọ Ụtọ". Afọ abụọ ka e mesịrị, e nyere ya ihe nrite nke Perrier Comedy Award
na 1998 Edinburgh Festival Fringe ma merie Onyinye Kachasị Mma na British Comedy Awards. N'afọ 2003, ọ meriri Nokia Best of the Fest Award na Orange People Choice Award na Edinburgh Comedy Festival. N'afọ 2006, ọ meriri Ireland's Funniest Living Person Award na People of the Year Awards.