If you start to disrespect the character you're playing, or play it too much for laughs, that can work for a sketch, it will sell some gags, but it's all technique. It's like watching a juggler - you can be impressed by it, but it's not going to touch you in any way.

People come up to me in supermarkets and demand humour. And the less amusing I am, the more they piss themselves. So I say, "I'm doing my shopping, mate, OK?" and the guy will be on the floor in hysterics. Quite odd. Eventually I do have to say something funny so I usually go for something pathetic like, "It's a nice place to shop but I wouldn't like to live here!" and they roar again. Wet themselves. I'm lucky though that I am not massively famous, I can get the Tube without much bother. Must be awful being the Beckhams.

I think it's always funny when you see kids do Shakespeare. When I was at school, I was in Hamlet. I played Claudius, who's supposed to be a 60-year-old man, and I was like 18. It's inherently ridiculous seeing 18-year-old boys with gray beards. That's always funny.

But with comedy it's a simple premise. If it's funny, people laugh. If it's not, they don't.

To me, most theatre looks ridiculous. I find it very difficult to do. Personally, if I ever try to do serious stuff, I always end up looking like an asshole, so I might as well try and do comedy, because I'm good at that.

If you got the balls to follow something through, you can end up being the coolest, smartest guy in the room, because you've literally put your ass on the line.

People regurgitate the same old cliches and it becomes like a photocopy of a photocopy of something that's vaguely interesting.