Umaga's real name was Eddie Fatu and he was a famous professional wrestler. He was born in American Samoa and he was a member of the Anoa'i wrestling family. The Rock's real name is Dwayne Johnson and he is also a member of the Anoa'i wrestling family. So, Umaga and The Rock are cousins.
Legendary Legacy: The Captivating Quiz on Umaga, the Immortal Wrestler