What is this hairstyle called???

I would like a hairstyle sortof like zac efron but a little rocker touch and make it a little more like a rockers hair except, i don't wanna dye my hair, make it look emo, look like a punk rocker, or a j-rocker style. sortof like this http://media.photobucket.com/image/zac%20efron/theglittergeek/hsmcast/zac/zac-efron-3.jpg