The Rock commented on being trained by his father Rocky Johnson during an interview with Muscle And Fitness. Here is what he had to say:
“Every morning my dad was up at 5 a.m. He’d have his coffee and then hit the gym, regardless of whether he was at home or on the road. Other dads took their kids to the playground. Mine took me to the gym, and the gyms he took me to were very hardcore.
Weight rooms, really. But it was important bonding time for us, and it was there that I learned at a very young age that there’s no substitute for hard work. My dad and the other wrestlers would train for hours and hours every morning, just like all of the top bodybuilding stars of the day—Arnold Schwarzenegger, Franco Columbu, Frank Zane, Albert Beckles. It was all he knew, and it was all I knew back then. And it worked.”
You can read the entire interview here.