they are called stony skunk.
http://www.youtube.com/watch?v=Eah9Mv59nJs
http://www.youtube.com/watch?v=mPzxli3z_xA
http://www.youtube.com/watch?v=XsitUwyqnm8
skull is the lead singer/originator. i know its a random post, but reggae is awesome and its cool to see other cultures embrace it.