(Does Ireland count as part of the British Isles? I wouldn't think they'd be very pleased about that.)
I saw this on Facebook, then went looking for it on YouTube so that I could post it here. I was surprised to see that there are a number of videos of the same basic type. There's a lot to work with, I guess; it always surprises me a little that there are so many and such different accents in such a relatively small geographical area, though it really shouldn't. I suppose the actually atypical thing is that they all speak English, which is of course a political more than an organic linguistic development. There are different accents within Alabama, which is roughly the same size as England, and they didn't have hundreds of years and geographical concentration in which to develop.
I've developed a strange liking and fascination for the Scottish accents that I hear on some of the British TV shows. In one, the villain was a Scotch (Scottish?) woman, and I kept wanting her to be on screen more just so I could listen to her talk. Katia Kvinge, by the way (whom I had of course never heard of), is "a Scottish BAFTA New Talent Award Nominated comedian, actor and impressionist." Doesn't sound like a Scottish name--I wonder where it came from. Oh wait--from her web site:
Q: Where is Katia Kvinge from?
A: Mum is Norwegian, Dad is American. Born in London, grew up in Oxford and Scotland