Dustin Hoffman was known as Pain Man during the filming of Rain Man?!

Question:

Dustin Hoffman was known as Pain Man during the filming of Rain Man?

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and Demi Moore became known as Gimme Moore because of her demands.
Any other actors who gained a 'Name'?

Answers: julia volvoka(t.A.T.u)is known as the screaming girl
and j.lo as nice butt Tom cruise has gained the name " that weird Mofo" lmao Barbara Streisand - Ultimate Witch with a captial B.

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