#3: Ken Shamrock
Younger fans may not remember 'The World's Most Dangerous Man' Ken Shamrock, but the former MMA star was a huge signing to the WWF in 1997.
Joining as the guest referee for Bret Hart Vs. Steve Austin at WrestleMania 13, the 'World's Most Dangerous Man' quickly turned to pro wrestling, capturing the Intercontinental Championship and 1998 King of the Ring.
Outside of the squared circle though, Shamrock is a family man, and though he has returned to MMA where he fights to this day, he also has 7 children and in turn, is the grandfather to 10 grandchildren as well.
We must admit, it is a strange thought that one of combat sport's toughest ever stars is now a grandfather.
May God have mercy on whoever messes with his grandkids.