Interested to hear that Little Britain's David Walliams is due to play Frankie Howerd in a BBC4 drama next year. Though not that surprised. Apart from the fact that Walliams is hot property at the moment – he has also just signed a lucrative deal to write children's books, following in the footsteps of Madonna, Ricky Gervais and the Duchess of York – this was a part he was born to play. When he first met Matt Lucas at Bristol University in the nineties they bonded over Walliams' bang-on "ooh, er, no, missus" impression of Howerd.

It is funny how people are often fated to play certain roles. Matt Lucas, by coincidence, has been rumoured to be in the frame to play Benny Hill in a telly biopic, and that's another role that seems to make perfect sense. I can see it now – Lucas running around a suburban park being chased by bikini-clad dolly birds.

I can remember two decades ago Spandau Ballet's Martin and Gary Kemp being interviewed in the music press and going on about their fascination with the Kray Twins. Sure enough they ended up playing the East End gangsters in a movie a few years later. Why no-one has cast Eric and Ernie-fans Reeves and Mortimer in a Morecambe and Wise biopic is beyond me. Though then again maybe potential producers saw their acting in Randall and Hopkirk (Deceased) and decided that physical similarity isn't everything.

So what other comedians-as-comedians biopics can we expect in the future? Well, Jack Dee as Les Dawson must come at some point. And who else could play Norman Wisdom but Lee Evans? Robert De Niro famously piled on the pounds to play ageing boxer Jake La Motta in Raging Bull. Dee and Evans could go straight onto the set after a light breakfast.