This part taken from the Official Site
As the male half of what Buffy the Vampire Slayer creator Joss Whedon called "the Sid and Nancy of the vampire set", James Marsters has brought a vicious coolness to Sunnydale. A seasoned actor of stage and screen, Martsters attended Juilliard, where he starred in such classics as Twelfth Night and Troilus and Cressida. Marsters currently resides in Los Angeles.
This part partially taken from
Spike
as People Magazines Next Sexiest Man Alive/Undead
All right so I took all of it from this site.
Some Facts You Should Know
He is 28 years old
James grew up in Modesto,California
James is left handed.
He has a cat named Zachary
His hobbies include painting, playing his guitar,and working on his Suzuki Samurai.
He listens to alternative rock.
He enjoys violence on film.
When he was younger he liked to break into churches and railroad cars with his friends.