Gregory Daniel Davies, (born 14 May 1968) known professionally by his stage names Greg D, Greg Davies or simply Grey Davies, is a British stand-up comedian and actor. He is best known for his role as Greg in the British television programs We Are Klang, Mr Glibert in The Inbetweeners, Ken Thompson in Cuckoo, as The Taskmaster in Taskmaster, and Man Down playing Dan Davies, as well guest appearances in Mock the Week, Would I Lie to You?, and Fast and Loose alongside Alex Horne. He performed Live at The Apollo series.