* Disney Channel Star: Efron first gained recognition for his role as Troy Bolton in the Disney Channel musical film series "High School Musical" (2006-2008). This wildly popular franchise catapulted him to teen idol status, earning him a large, dedicated fan base.
* Transitioning to Adult Roles: Efron successfully transitioned from teen roles to more mature parts. Films like "17 Again" (2009) and "Hairspray" (2007) showcased his comedic timing and acting abilities.
* Dramatic Roles: He took on more serious roles in films like "The Lucky One" (2012) and "The Paperboy" (2012), proving his versatility and drawing attention from a wider audience.
* Physical Transformation: Efron's commitment to physical fitness and his muscular physique became a topic of discussion, further increasing his visibility and appeal.
* Comedic Roles: He returned to comedy in films like "Neighbors" (2014) and "Mike and Dave Need Wedding Dates" (2016), further solidifying his mainstream appeal.
* Recent Success: His recent roles in "The Greatest Showman" (2017) and "Baywatch" (2017) have solidified his position as a leading man in Hollywood.
* Social Media Presence: Efron has a strong social media presence, which helps him connect with fans and stay relevant.
In summary, Zac Efron became famous through a combination of his talent, hard work, successful projects, and a carefully crafted public persona.