Not at all
I generally sound like a BBC newsreader, but can do pretty much any regional accent you care to suggest.
( wynoh kills threads by his mere presence, Sun 10 May 2009, 1:15, archived)

Do some tihama arabic

( glued eel /questions/questionsyoudliketoask/post1648081, Sun 10 May 2009, 1:17, archived)

Allahu ackbar
etc
( wynoh kills threads by his mere presence, Sun 10 May 2009, 1:19, archived)

can you type in glaswegian?

( Derek Monte subthread killer: qu'est-ce que c'est, Sun 10 May 2009, 1:19, archived)

Ah kin gie it a go
fucked if ah kin git it tae Irvine Welsh standart though
( wynoh kills threads by his mere presence, Sun 10 May 2009, 1:23, archived)