Rock 'n' roll legend Elvis Presley was obsessed with British comedy series Monty Python and spent hours impersonating characters from the cult show. The HOUND DOG singer used to force his girlfriend LINDA THOMPSON to watch the on-screen antics of John Cleese, Eric Idle, Terry Gilliam, Michael Palin and Terry Jones. Thompson says, "He's be doing all the voices, which is mind-boggling. He'd even do the ladies voices."