Eddie Guerrero and Rey Mysterio are not related by blood, despite a lifetime of shared history that often leads fans to wonder about a family connection. Their bond was forged through decades of traveling together, competing across promotions like AAA, WCW, and WWE, and sharing an industry-defining style of wrestling. While they weren't brothers or cousins, their relationship went far beyond a standard professional partnership.
The confusion over whether Eddie Guerrero and Rey Mysterio are related usually stems from their incredible chemistry and intense television storylines. Most notably, their 2005 feud involved a high-profile custody battle over Rey's real-life son, Dominik Mysterio. That storyline blurred the lines of reality so effectively that new fans discovering classic WWE clips often question if there's an actual blood tie. In reality, they were simply close friends who treated each other like family.
Roots in Lucha Libre and WCW
Long before they became household names in the United States, both men were deeply embedded in the traditions of Mexican lucha libre. Eddie Guerrero came from the legendary Guerrero wrestling dynasty, son of Gory Guerrero, while Rey Mysterio was trained by his uncle, Rey Misterio Sr.
Their paths crossed early in their careers as they crossed paths in various promotions, but their professional partnership solidified during their time in World Championship Wrestling (WCW) during the late 1990s. Alongside other cruiserweights like Dean Malenko and Psicosis, they redefined what American audiences expected from lighter-weight wrestlers. They delivered high-flying, technical matches that stole the show on WCW Monday Nitro, cementing a mutual respect that carried over when both jumped to the WWE.
The 2005 WWE Rivalry and the Custody Storyline
The peak of their on-screen relationship occurred in 2005. Initially returning as tag team champions, tension brewed until Eddie turned on Rey, leading to one of the most personal and bizarre feuds in WWE history.
Eddie claimed he had a secret that could destroy Rey's family, eventually revealing the storyline plot that he was the biological father of Dominik Mysterio. This culminated in a ladder match at SummerSlam 2005 for the legal custody of Dominik. Behind the scenes, the angle was heavily driven by Eddie's own creative ideas. Far from generating backstage heat, the storyline required deep trust between the performers, especially since Rey's young son was physically involved in the program.
According to historical records and interviews from WWE, the locker room environment during this era was intense, yet Eddie acted as a protector and mentor to Dominik. You can read more about the broader history of sports entertainment milestones through resources like WWE Official History.
Life Beyond the Ring and Sudden Loss
Off-camera, the two icons shared a close brotherhood. Rey has frequently spoken about Eddie being a mentor, a confidant, and a constant source of support during the grueling travel schedule of professional wrestling.
Tragedy struck on November 13, 2005, when Eddie Guerrero passed away unexpectedly at the age of 38. Rey delivered an emotional tribute on WWE television, removing his mask—a rare and sacred gesture in lucha libre culture—to honor his fallen friend. For years following, Rey dedicated matches, championships, and emotional tributes to "Latino Heat," ensuring that new generations of fans understood Eddie's immense impact on the business.
Legacy Carried Forward by Dominik Mysterio
The connection between the Guerrero and Mysterio families didn't end with Eddie's passing. Years later, Dominik Mysterio entered the wrestling business himself, eventually adopting a heel persona heavily inspired by Eddie's classic "lie, cheat, and steal" tactics. Dominik has openly credited Eddie's mannerisms, ring gear details like mullets and mustaches, and character work as foundational blueprints for his own career.
This ongoing tribute keeps the spirit of their historical connection alive on modern television, making the legacy feel continuous even though no genetic relationship exists. You can explore archival sports coverage via ESPN WWE Section.
Frequently Asked Questions
Are Eddie Guerrero and Rey Mysterio related by marriage?
No, they were not related by marriage either. Their relationship was strictly a deep personal friendship and professional brotherhood.
Who is Dominik Mysterio's real father?
Dominik Mysterio is the biological son of Rey Mysterio (Rey Gutierrez). The 2005 storyline claiming Eddie Guerrero was his father was purely fictional.
Why did Rey Mysterio take off his mask after Eddie passed away?
In lucha libre, removing one's mask is a sign of ultimate respect and vulnerability. Rey removed it during a tribute episode on Raw to show that without the mask, he was just a grieving man mourning his best friend.
Did Eddie Guerrero come up with the custody match storyline?
Yes, backstage accounts and interviews confirm that Eddie pitched the custody battle concept because he wanted a high-stakes program that would permanently elevate Dominik's presence on television.
