He was joined by first lady Michelle Obama, Olympic and Paralympic athletes, Chicago Mayor Richard Daley and middle school children.
Sith Lord Darth Obama, seen here intimidating the Olympic Rally with his lightsaber skills.
However, the mood soured later in the day when Obama discovered that champion fencer Tim Morehouse, who was in attendance at the Olympic Rally, had previously only won a silver medal at the 2008 Olympics.
Obama loses patience and lunges forward, striking a killing blow.
Obama, his bloodlust apparently unsated, then turned on his wife:
Obama then took some time out from his killing rampage to watch some light entertainment:
"HAHAHAHA, yes yes, fight to the death!" - Obama, watching two minions battle
Later, one of the fencers challenged him to a mock fight:
Obama, seen here using the force to choke a young gymnast for his own gratification.
Obama later finished proceedings by delivering an inspirational speech to the gathered members of United States Olympic Committee:
"All will fear me but follow me!" he yelled shaking his fist, to rousing applause from the crowd.
Obama soon left the area, exclaiming: "So long, suckers!" before flapping his arms furiously:
His approval ratings have never been higher.