#6. Randy Orton - Youngest World Champion in WWE history

At SummerSlam 2002, a young Brock Lesnar defeated The Rock to become the WWE Champion just four months after his main roster debut. In doing so, he became the youngest World Champion in WWE history - being only a month over 25 years old.
He would be an integral part of WWE programming, but the hectic WWE travel schedule burned him out, leading The Beast Incarnate to try his luck in another field. With Lesnar gone, WWE had one top prospect who was virtually guaranteed to become a World Champion - Randy Orton.
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While Orton could have won the World Heavyweight Championship, later on, he ended up beating Chris Benoit at SummerSlam 2004 to become the youngest World Champion in WWE history at just 24 years old. It's a record that he still holds to date, and it'll be a long time before anyone comes close to breaking it.
It's hard to deny that the record was broken intentionally - especially since it happened just four months after Lesnar left.