Miguel Ángel López Díaz (January 8, 1958 – December 20, 2024) was a Mexican professional wrestler and trainer, better known by his ring name, Rey Misterio ("Mystery King").
On the sixth of January 1976, Misterio finally made his debut as a wrestler on a show called "Day of the Kings", or Día de los Reyes.
Misterio appeared at World Championship Wrestling's Starrcade 1990 pay-per-view event where he teamed with Konnan and competed in the "Pat O'Connor Memorial International Cup" representing Mexico.
His first class included future international superstars such as Konnan, Psicosis, Halloween, Damián 666 and his nephew Rey Mysterio.
Misterio is also known to have trained wrestlers such as Cassandro, Hayabusa, Extassis, Tigre Uno, Fobia, Misterioso, Demus 3:16, Ruby Gardenia, The Warlord, and Venum Black.