The President recently hosted a rally at The White House in support of Chicago's bid to hold the 2016 Summer Olympics. Some members of the Olympic fencing team were there. Obama was given a plastic sword. Photos were taken. Photoshop (with an assist from me) did the rest.
Here's our President attacking an unseen Sith Lord or perhaps someone condemned by a death panel:
And having finished them off to the delight of the assembled, a victory pose.
Update: See also the Japanese Obama action figures. (thx, myles)