Starred in Summerland as "Cameron Bale", and later in High School Musical as "Troy Bolton". The latter made him well-known among teens across the nation, and he is casted as Link Larkin in the upcoming movie Hairspray.
It is noticable that most guys are jealous of Zac's popularity among girls, and will resort to calling him gay, a fag, talentless, etc.
Girl: Ohmigosh I love Zac Efron!
Guy: You mean Troy Bolton? He's such a fag.