Simplify the following text for a Grade 10 native English-speaking person.
Original: Richard Kemble Marsland ( 5 September 1976 â `` 6 December 2008 ) was an Australian comedy writer , actor , comedian and radio personality .
Simplified: Richard Marsland ( a.k.a. Armitage Shanks , 1976 - 2008 ) was an Australian comedy writer , actor , comedian and radio personality .