Birth of a Twitter handle: Paul Ryan's bicep posted photos of the Republican vice presidential candidate lifting weights, spawning a humorous Twitter account @PaulRyansBicep. Gregg Segal

Mitt Romney's call to cut funding for PBS during the first presidential debate spawned a few sarcastic Big Bird Twitter personas. Now  the bicep of his running mate, Wisconsin Rep. Paul Ryan, is getting its own Twitter following, on the eve of the candidate's debate with Vice President Joe Biden.

@PaulRyansBicep surfaced after posted images of Paul Ryan working out. Ryan says he is a "fitness guy" and discussed his P90X workout routine with Politico's Mike Allen in this video. So far the bicep has just a few hundred followers. @PaulRyansBicep joins @PaulRyanGosling, which has nearly 65,000 followers.

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