Spongebob dance?

me and my friends were doing the crank dat Spongebob dance and get the music from the internet, we do not know the name of the song that you do a, like in this video http://youtube.com/watch?v=hNDwWfYBD48 can you please tell me the name of that song and perhaps I could go, thanks to the people!

Crank That Soulja Boy (I think) hope this helps http://www.youtube.com/watch?v=LpocrqvP2Yg

Crank that spongebob