If you want some awesome downloadable freebies, the artist Patrick Washburn from Tokyo has been doing these types of foldable designs for awhile now:

Spock: http://blog.patokon.com/2011/08/spock-wobblehead-papercraft....

Spidey 50th Wobblehead and Old 52: http://blog.patokon.com/2012/06/spidey-50th-wobblehead-and-o...

Captain America and Conan: http://blog.patokon.com/2011/09/marvel-comics-wobbleheads-ca...

Yoda: http://blog.patokon.com/2011/07/yoda-papercraft.html

Putter King: http://www.slideshare.net/putterking/putter-king-wobblehead