Caleb Watson is a dairy farmer who participated in American Ninja Warrior 8, he shocked everyone in Atlanta qualifying course when he cleared with the second fastest time behind Drew Drechsel, but in the city finals, he shockingy fell short at the Big Dipper. His nickname is Cowman.

In American Ninja Warrior 9, he competed in Daytona, but he failed the Wingnuts in Qualifying.

Caleb returned in Indianapolis in American Ninja Warrior 10, but he once again fell short, this time at Block Run.