Zac Efron is usually the name to bop to the top of mind when talking about High School Musical's Troy Bolton.

But true Wildcats know Drew Seeley was the one to actually provide the character's vocals for the first film. And that's where the actors' connection starts and ends. Because 18 years after the Disney Channel original movie premiered, Drew and Zac have never fully talked to each other about their individual contributions to the part.