Zachary David Alexander Efron (or [[FanNickname Zefron]], born October 18, 1987) is an American actor and singer whose first (and most famous) major role was as Troy in ''Film/HighSchoolMusical''. Since then, some think that [[SugarWiki/HeReallyCanAct he has branched into a more "serious" actor with better performances.]] He often plays the BigManOnCampus.

He dated [[RealLifeRelative HSM co-star]] Music/VanessaHudgens for five years. They split in late 2010; both attribute the breakup to simply growing up.

He may [[MemeticMutation also be]] [[Manga/DeathNote Kira]].

!!Movies Zac Efron have been in include:
* He played Young Simon in ''Series/{{Firefly}}'', before he got famous.
* The ''Film/HighSchoolMusical'' series (2006-2008)
* ''Film/{{Hairspray}}'' (2007)
* ''Film/SeventeenAgain'' (2009)
* ''Film/MeAndOrsonWelles'' (2009)
* ''Film/CharlieStCloud'' (2010)
* ''Film/NewYearsEve'' (2012)
* ''Film/LiberalArts'' (2012)
* ''Dr. Seuss' WesternAnimation/TheLorax'' (2012)
* ''The Lucky One'' (2012)
* ''The Paperboy'' (2012)
* ''Film/ThatAwkwardMoment'' (2014)
* ''Film/{{Neighbors|2014}}'' (2014) and ''Neighbors 2: Sorority Rising'' (2016)
* ''Film/WeAreYourFriends'' (2015)
* ''Film/DirtyGrandpa'' (2016)
* ''Film/MikeAndDaveNeedWeddingDates'' (2016)
* ''Film/Baywatch2017'' (2017)
!!Tropes applying to Efron:
* AdamWesting: He appeared in a ''Series/SaturdayNightLive'' sketch as Troy Bolton returning to East High to tell the seniors that in the real world [[SpontaneousChoreography people doesn't begin singing and dancing]] [[LampshadeHanging out of nowhere]].
* MrFanservice: Takes his shirt off a lot. Is also ''tricked'' into taking his shirt off a lot.