Accents include British:
English (Queen's English or RP)
Prince Charles/Philip (English?)
Scouse (Liverpool, England)
Brum (Birmingham, England)
Geordie (Newcastle upon Tyne, England)
Yokel (Southwest England)
Brizzle/Bristolian (Bristol, England)
Cockney (East London, England)
Glaswegian (Rough)(Glasgow, Scotland)
Glaswegian (Posh) (Glasgow, Scotland)
Edinburgh, Scotland
Highland/West Coast, Scotland
Generic Scots
Generic Eire (Southern Ireland)
Generic Ulster (Northern Ireland)
Also:
Generic Oz, Australian
Generic New Zealand
Generic West Coast USA
Generic Deep South USA
Generic Brooklyn/Bronx USA
Generic 'American'