We call it a loonie, because it has a loon on it. Seen below. It was our first change over from paper money for small currency, to coin. Then we came out with a 2 dollar version...and just decided to have it rhyme. It has a polar bear on it.

http://www.netstate.com/states/symb/...mmon_loon5.jpg

http://msnbcmedia3.msn.com/j/msnbc/C...2p.hmedium.jpg

http://fathersforlife.org/images/2$pbear_M.JPG