Full name
Omar Child Romero

Birthdate
May 12, 1976

Debut
On May 13, 1995, in Mexico City, he knocked out Florentino García.

won the world title
On August 10, 2006, in Las Vegas, he defeated Brian Viloria by unanimous decision for the WBC light flyweight title. He recovered the WBC light flyweight belt by defeating Rodel Mayol by unanimous decision on June 19, 2010, at the Plaza de Toros in San Juan del Rio, Querétaro.

Lost His Title
In his first defense, in the rematch against Brain Viloria, on November 18, 2006, the result was a no contest, but it was unknown due to alleged doping, which in the end was not. The WBC light flyweight crown, in his second stage as monarch, he lost it in his second defense against Gilberto Keb Bass, on November 6, 2010, in Mérida, when he fell by majority decision.

Withdrawal
On June 11, 2016, at the Arena Coliseo in Mexico City, Juan"Churritos"Hernández defeated him by knockout.