This image appears in the gallery:
Throwback Thursday - Catchphrases
7. Alan Partridge
Is there a character in British comedy with a longer lifespan than Alan Partridge. First appearing in radio show On The Hour back in 1991, Steve Coogan's character has had a chat show, a sitcom, another radio show and now a film based on him. And yet, 23 years later, his name is still synonymous with one phrase: "Aha!"