The Oakland Raiders have arguably the most loyal and allegiant fans in the NFL. Hunter S. Thompson once said, "The massive Raider Nation is beyond doubt the sleaziest and rudest and most sinister mob of thugs and wackos ever assembled." And from what we've seen, he wasn't too far off in his assessment. Having an authentic jersey is cool, but we're talking about the guardians of the black hole and a squad led by the legendary Al Davis. Black and silver pumps through their veins on game days, and for some, inked permanently on their skin. Join us as we take a look at some of these notorious characters and countdown The 10 Best Raider Nation Tattoos.