KG (Kyle Gass) and JB (Jack Black)'s alter ego. When Wonderboy And Young Nasty Man joined forces, Tenacious D
Well, Wonderboy and Young Nastyman joined forces;
they formed a band the likes of which have never been seen,
and they called themselves Tenacious D.
A monster that waits in a kids room until the lights are out, then proceeds in doing his "business". See monster
Boogie Woogie Woogie waits under your bed, With a shank, splah!, up through the bottom - ICP