- Best known in the UK for his role as Tyres O'Flaherty the bicycle riding raver in the sitcom Spaced.
- Before finding fame, his previous jobs included cycle courier and club DJ.
- Shared an apartment with Spaced co-stars Simon Pegg and Nick Frost in the 1990s.
- Began doing stand-up in 1993, after accepting a bet at an open-mic night. He then became a regular at the Edinburgh Fringe Festival.
- Has two children with his second wife, English journalist and broadcaster Miranda Sawyer.
- Won Best Supporting Actor at the 2011 British Independent Film Awards for his role in Kill List.