The Prancing Cera is a photo featuring Michael Cera doing a sort of skip, or "prance". It became quite popular on tumblr within the first two hours of its first post.
The original picture was put up by Edgar Wright August 22, 2010 on flickr.
It soon became a widespread picture on Tumblr, August 24, 2010 around 1:00 - 3:00 am.
It's unclear who first posted this picture, but a Tumblr was made named fuckyeahprancingcera.tumblr.com. She has been credited for starting it.
A facebook group was then made called Prancing Cera, August 24, 2010 at 3.04 am.
Fuck this shit, I'm prancing.
Are we human, or are we prancer?
Prancers gon prance
Hipster gon hip, Hopstors gon hop
Prancing Cera ftw.