Ah Irvine Welsh - that takes a while to get your eye in when you are reading his works. I always remember that scene in Trainspotting with Ewan MacGregor doing a Sean Connery-Bond impersonation "Ah, Miss Funny-..."
As for me, I come with a much reduced Swindonian accent that has been beaten out of me by the Aussies. At one stage I had a full blown West Country Ooh Aar, I've got a brand new Combine Harvester
Wurzles-style accent.