Comedy is a funny old thing: what makes one person helpless with laughter can leave another resolutely unmoved, which generally has less to do with the quality of the material, and more to do with the individual’s sense of humour. But among the following selection of DVDs - covering comedy from observational and bloke-next-door to surreal and fantastical - there is likely to be something that tickles your fancy, or better still your funny bone.