Robert Pattinson plays Eric Packer in Cosmopolis
Robert Pattinson has admitted that he's not a fan of the name R-Pattz.

The actor - whose moniker arose after he shot to fame playing sexy vampire Edward Culllen in the Twilight movies - has found the title particularly annoying since bagging the lead role in new film Cosmopolis

'When I got this part, every single article that came out, was, "R-Pattz's struggle for credibility,"' he tells The Guardian.

'I don't understand who invented that thing, "R-Pattz". I want to strangle them.'

Does that mean 26-year-old Rob's girlfriend Kristen Stewart , 22, feels the same about being called K-Stew?

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Beth Shearing