Wrestling legend Rey Mysterio Sr. has passed away.

The wrestling world is mourning the passing of Rey Mysterio Sr., an iconic figure in the sport of entertainment. Mysterio Sr., born Miguel Angel Lopez Diaz, has passed away at the age of 66. The news was confirmed by his family, while the causes of this sudden loss have not yet been made known.

Born in Mexico, Mysterio Sr. began his wrestling career in 1976 and continued to perform until last year, showing the dedication and passion that characterized him. Despite being physically gone, his impact on the sport will remain indelible.

Rey Mysterio Sr. was the mentor and trainer of many legendary wrestlers, including his nephew Oscar Gutierrez Rubio, aka Rey Mysterio Jr., an iconic figure in WWE. The Mysterio family, which continues his legacy in international arenas, has remembered him with love and gratitude.

Rey Mysterio Jr.'s daughter, Aalyah Mysterio, shared a touching tribute on Instagram, writing:

“Forever grateful to you, uncle. Without you, my father would not be the person or the fighter he is today. Rest in peace, uncle.”

Even Dominik Mysterio, known as "Dirty" Dominik in WWE, shared some emotional posts on social media, including photos of his uncle from his time in the ring.

Rey Mysterio Sr. was not only a talented wrestler, but also a figure who strongly influenced the formation of new generations of athletes. Through his legacy in family and sport, his name will be immortalized in professional wrestling history.