Goldstein is probably the best-known public representative of the hacker underground today, and certainly the best-hated. Police regard him as a Fagin, a corrupter of youth, and speak of him with untempered loathing. He is quite an accomplished gadfly.

gadfly (n) 1: a persistently annoying person [syn: pest, blighter, cuss, pesterer] 2: any of various large flies that annoy livestock – source: The Hacker Crackdown, Part Two