In the covers thread the Peter Sellers covers have been mentioned.
There are in WinMX three different groups of these:
The four songs he did do with George Martin for Parlophone, A Hard Day's night,Help!,She Loves You (Dr. Strangelove voices,usually referred to as the "Nazi" version),and She Loves You (using the voice of his character,Dr. Phil McCafferty,referred to as the "Irish" or the "Irish Dentist" version).
The Peter sellers tape. This is a tape of White Album mixes Ringp gave to him.
"Peter Sellers sings the Beatles": From hearing them,they sound like someone doing impersonations of Peter Sellers characters.
Tim Brent's Yellow Submarine Page
The Beatles' Record Advertisements
The Beatles' Record Covers Yahoo! Club
The Beatles Video Theatre