The Anchorman actor stars in the Funny or Die comedy clip, which sees him offering to eat toe nail clippings or garbage as long as the US public vote for Obama.
So we take a look at the other Democratic celebrities backing Obama - from Katy Perry wearing her political persuasion on her latex dress to Madonna inking the president's name on her back.
Katy Perry wears her political persuasion on her latex dress as she performs at the 'America Forward' grassroots event at Doolittle Park, Las Vegas.
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