I think a significant reason for Croydon featuring in jokes is that it's simply a 'funny' name. Did you know that Peep Show was made in Croydon because the sea

I think a significant reason for Croydon featuring in jokes is that it's simply a 'funny' name. Did you know that Peep Show was made in Croydon because the season 1 director wanted the show to have a slightly artsy European feel and thus wanted it to be set in a place with trams?