Randy Orton was the youngest World Heavyweight Champion
Randy Orton 24 years old
the legend killer randy orton
Iron Mike Tyson was the youngest heavy weight champion ever at 20 years old.
youngest was mike Tyson, and the firsrt to regain wasfloyd Patterson
The hardcore belt, the European heavy weight, the million dollar belt, wcw belt, the classic world heavy weight, the light weight heavy weight belt, and the wcw heavy weight.
Randy Orton at the age of 24 was the youngest person to hold a title belt in the WWE. That title belt just happen to be the World Heavyweight Championship belt.
At the moment Kane is the WWE world heavy weight champion!