I'm not a fan of Sean Williams, but I love this picture. He's gotten a few nicknames by Nets fans over the years, such as "Area 51", "The Freak", or, as Nets' broadcaster Ian Eagle has tried to coin, "Le Freque Elastique". But, my money has always been with simply:
Yes, the "SW" is capitalized, for his initials. The best part of watching this doomed experiment has been seeing his occasional blocks, which has caused me to let out an excited "SSSSWWat!" However, this guy's off the court problems will probably make this nickname useless now and in the future.