Well, you may have heard the name from me. Stephen Fry, along with his early comic partner and friend Hugh Laurie (who plays House in House MD), is an amazing and hilarious English comedian. They can be seen in 'A Bit Of Fry And Laurie', 'Jeeves and Woosteer', and 'Blackadder'. He's extraordinarily intelligent.
Umm, he also narrates the British (which are the Australian) Harry Potter audio books.