Evan Seinfeld (born December 29, 1967) is an American musician and actor, as well as a director, photographer, and writer. He has also appeared in several pornographic films under the pseudonym "Spyder Jonez". He is best known as a founding member of Biohazard. Since leaving the band in May 2011 for personal reasons, he has joined the band Attika7 as a vocalist. He is also the ex-husband of pornographic actress Tera Patrick.