adds 17 new mobs modeled after real minecrafters so far. All of these people applied in a forum post and I have about 60 more to do too. This is mainly a just for fun mod.
link to the pmc fourm:
http://www.planetminecraft.com/forums/who-wants-mod-t80144-84.html

installation tutorial
1.locate minecraft.jar
2.open with archiving program
3.delete meta-inf
4.open modloader
5.open mo minecrafters
6.drag contents of modloader into minecraft.jar
7.in your mo minecrafters zip file open up the folder of the mob you want
8.drag contents of that folder into minecraft.jar