As far as fully realized cartoon bands go, Dethklok kicks everyone else's ass. (Don't believe us? Fine -- you can go see Josie and the Pussycats or Alvin and the Chipmunks instead.) Last night, the very real band behind Adult Swim's Metalocalpse put on a very rowdy show during its return to the Fillmore. We'll put it this way: You wouldn't see this many bloody faces at an Archies concert. Continue on for our favorite scenes from the pit last night -- and visit our full slide show for even more pics.