Unlike football or hockey, basketball allows players to play the game without rocking any headgear, which is both a good and bad thing. While it does offer a more aerodynamic feel when hustling up and down the court, it also gives everyone a good look at a person's face. While there are some guys in the league with your everyday, natural-looking scalp, there are others who...well...look like they've lived without a skull for their entire existence or something went horribly wrong during the birthing process.
From the skin rows of Shane Battier which could very be helpful for smuggling contraband to the real-life Benjamin Button syndrome effecting Greg Oden to Carlos Boozer's infatuation with Sharpies, here's Skull Gang: The Ugliest Heads in NBA History.