Настоящее имя: Oscar Gutierrez;
Прозвища: Rey Mysterio, Little Rey-Rey, Rey Mysterio Jr, Colibri, Super Nino;
Коронный приём: 619, West Coast Pop;
Дата рождения: 11/12/1974;
Родина: San Diego, California, USA;
Рост: 5' 6" (168 см);
Вес: 175 lbs (79 кг);
Дебют: 1989;
Тренер: Rey Misterio Sr;
Выражение: Get The Phone;

Титулы:
HHW Light Heavyweight Champion;
Mexican National Trios Champion;
Mexican National Welterweight Champion;
WCW World Tag Team Champion;
WCW World Cruiserweight Champion;
WCW Cruiserweight Tag Team Champion;
WWA World Tag Team Champion;
WWA World Welterweight Champion;
WWA World Lightweight Champion;
WWE World Heavyweight Champion;
WWE Tag Team Champion;
WWE Intercontinental Champion;
WWE Cruiserweight Champion;
WWE Triple Crown Champion;
WWE Royal Rumble 2006 Winner.