But Mysterio has shown fans his face as he shared a snap of himself and his wife Angie Gutierrez on Instagram.
He posted to celebrate her birthday with the caption, which was posted in Spanish: “I love you with all my heart my love and I thank God for blessing you with one more year of life and health at my side.
Never change your way of being because I love it so much that you make me smile because of how spontaneous you always are!”
The couple live in a £1m mansion, that includes five bedrooms and five bathrooms, in San Diego.
Mysterio will take on Rollins at the Extreme Rules pay-per-view in a one of a kind Eye For An Eye match.
The Mexican, who made his professional wrestling debut in 1989, has held a host of belts in the WWE.
He is a two-time World Heavyweight champion, four-time United States champion and two-time Intercontinental champion.
Mysterio also won the Royal Rumble in 2006.
The wrestling gene is the family also looks to have been passed down with his son Dominik poised for a career in the ring.
He told Metro : “Any time that he feels like he needs to compare his work to mine – that’s one of the first words of advice that I gave him.
“He needs to create his own legacy, he doesn’t need to try and imitate mine. He understands that.”