Early appearances Before he became a professional wrestler, Gutiérrez went to WWE events to see his father on several occasions. He was in the audience on the June 5, 2003 edition of
SmackDown! in
Anaheim, California where his father won the
WWE Cruiserweight Championship from
Matt Hardy. He celebrated with his father in the ring as the show went off the air. He had his first storyline in the summer of 2005 as part of a storyline between his father and
Eddie Guerrero, in which the two rivals fought for custody of him. During the
storyline, Guerrero stated that he was Dominik's biological father. On August 21, Mysterio defeated Guerrero in a
ladder match for custody of Dominik at the
SummerSlam pay-per-view. He made two more appearances in 2006, first at
WrestleMania 22 with Angie and Aalyah watching his father win the
World Heavyweight Championship for the first time and second on the September 15 episode of
SmackDown! where he watched backstage as his father battled with
Mr. Kennedy. He once again appeared on the March 12, 2010 episode of
SmackDown, this time during the feud between his father and the
Straight Edge Society (
CM Punk,
Luke Gallows, and
Serena). In 2015, Gutiérrez appeared on episodes of
Lucha Underground, where he got physically involved in the feud between his father Rey Mysterio Jr. and
Johnny Mundo.
WWE / Lucha Libre AAA Worldwide (2019–present) The Mysterios (2019–2022) In 2018, Gutiérrez began training with
Jay Lethal and his father to become a professional wrestler. He once again appeared on
Raw from April to June, during the feud between Mysterio and Joe. During the following months, he was involved in his father's storylines and matches, including interfering in Rey's
WWE Championship match against
Brock Lesnar at
Survivor Series on November 24. during a
tag team match against
The Street Profits in December 2021 In May 2020, Rey and Dominik feuded with
Seth Rollins and
Murphy, leading to Dominik's first match at
SummerSlam on August 23, where he lost to Rollins in a
Street Fight. At
Payback on August 30, Dominik and Rey defeated Rollins and Murphy, earning his first victory in WWE. On the following episode of
Raw, Dominik lost to Rollins in a qualifier for the
triple threat match for the WWE Championship at
Clash of Champions. As part of the
2020 Draft in October, Dominik was drafted to the
SmackDown brand. At
Royal Rumble on January 31, 2021, he entered his first
Royal Rumble match at number 21, eliminating
King Corbin but was eliminated by
Bobby Lashley. Following the event, Dominik began teaming with Rey. At
WrestleMania Backlash on May 16, they defeated
Dolph Ziggler and
Robert Roode to win the
WWE SmackDown Tag Team Championship, marking Dominik's first championship in WWE and becoming the first father-son tag team champions in WWE history. On the June 4 episode of
SmackDown, the Mysterios retained their titles against
The Usos, albeit with controversy as the referee failed to notice Jimmy's shoulder was lifted. After
Adam Pearce and
Sonya Deville granted a rematch later that night, the Mysterios again retained their titles after
Roman Reigns interfered and attacked them, causing a disqualification. At the
Money in the Bank pre-show on July 18, the Mysterios lost the titles to The Usos, ending their reign at 63 days. They failed to regain the titles at
SummerSlam on August 21. As part of the
2021 Draft, Rey and Dominik were drafted to the
Raw brand. In February 2022, they were involved in a feud with
The Miz, which grew to involve social media personality
Logan Paul, culminating in a tag team match between the Mysterios and Miz and Paul on Night 1 of
WrestleMania 38 on April 2, which the Mysterios lost.
The Judgment Day (2022–present) In the summer of 2022, the Mysterios began feuding with
The Judgment Day (
Finn Bálor,
Damian Priest and
Rhea Ripley) over their attempts to recruit Dominik into the group and betray his father. At
SummerSlam on July 30, the Mysterios defeated Bálor and Priest following interference from the returning
Edge. After losing an
Undisputed WWE Tag Team Championship match on the following episode of
Raw, The Judgment Day attacked Dominik and Rey. Edge came out to save them, but accidentally speared Dominik. The following week, Dominik confronted Edge and shoved him. Later that night, during a match between Rey and Bálor, Ripley appeared and laid down a bloody and bruised Dominik, distracting Rey long enough for Bálor to win the match. At
Clash at the Castle on September 3, Dominik accompanied Rey and Edge for their match against Bálor and Priest, which they won. After the match, Dominik hit Edge with a
low blow and Rey with a clothesline, turning
heel and joining the stable. Dominik took on a
gimmick mirroring Eddie Guerrero's Latino Heat while together with Ripley, who called herself Dominik's "Mami". It was eventually tweaked to that of an arrogant youth pretending to be a dangerous former
convict. His feud with his father culminated at
WrestleMania 39, where Rey defeated Dominik after interference from the newly-reformed
Latino World Order (LWO) and
Bad Bunny. In July, he began to work as "Dirty" Dominik Mysterio. On the July 17 episode of
Raw, Dominik and Priest failed to win the Undisputed WWE Tag Team Championship from
Kevin Owens and Sami Zayn. He also appeared on
NXT, where he won the
NXT North American Championship twice. At
Survivor Series WarGames on November 25, Dominik participated in his first
WarGames match alongside The Judgment Day (which now included
JD McDonagh) and
Drew McIntyre against Rhodes,
Jey Uso,
Seth "Freakin" Rollins, Zayn and the returning
Randy Orton in a losing effort. At
WrestleMania XL, Dominik faced his father Rey Mysterio again, this time in a tag team match which included
Santos Escobar as Dominik's partner and
Andrade as Rey's partner, but they were defeated. in February 2025|right|175px On the April 15 episode of
Raw, Dominik suffered a legitimate elbow injury during a match with Andrade, and was believed to be out of in ring action for “about six to eight weeks”. During this time, he began a storyline with
Liv Morgan, having accidentally helped her defeat
Becky Lynch for the Women's World Championship at
King and Queen of the Ring on May 25. Two nights later on
Raw, after accidentally helping her retain the title against Lynch, Morgan kissed Dominik. During the following weeks, as part of her plan to take everything from Ripley, Morgan continuously flirted with Dominik in an attempt to win him over. On the July 8 episode of
Raw, Dominik and Morgan defeated Rey and
Zelina Vega when Dominik pinned his father. After the match, as he and Morgan were about to kiss, they were interrupted by a returning Ripley. At
SummerSlam on August 3, Dominik turned on Ripley when he helped Morgan to retain her title. They lost to Ripley and Priest in a
mixed tag team match at
Bash in Berlin on August 31. At
Bad Blood on October 5, Dominik was suspended above the ring in a
shark cage during a title rematch between Morgan and Ripley, where Ripley attacks him as he dangled from the cage. In March, his ring name was reverted to Dominik Mysterio. On Night 2 of
WrestleMania 41 on April 20, Dominik defeated Bálor,
Penta and defending champion
Bron Breakker in a
fatal four-way match to win the Intercontinental Championship. He successfully defended the title against Penta the next night on
Raw and at
Backlash on May 10. At
Worlds Collide on June 7, Dominik appeared to challenge
Octagón Jr. to a title match later that night at
Money in the Bank, where he retained after interference from Morgan. On July 25, Dominik made his debut for WWE's sister promotion
Lucha Libre AAA Worldwide (AAA) at Alianzas, where he attacked Dragon Lee and
AAA Mega Champion El Hijo del Vikingo. Dominik successfully defended his title against
AJ Styles on Night 2 of
SummerSlam on August 3 and the September 1 episode of
Raw. At
Worlds Collide: Las Vegas on September 12, Dominik defeated Vikingo to win the AAA Mega Championship, his first world championship, becoming the first wrestler to hold championships in WWE and AAA simultaneously. On the November 10 episode of
Raw, Mysterio lost the Intercontinental Championship to
John Cena, ending his reign at 204 days. He regained the title from Cena at
Survivor Series: WarGames on November 29 in his hometown of
San Diego, California. On January 17, 2026, he started acting as a face in AAA, transitioning into a tweener in the process. He lost the Intercontinental Championship to Penta on the March 2, 2026, episode of
Raw, ending his second reign as Intercontinental Champion and double champion at 93 days. At
Rey de Reyes ("King of Kings") on March 14, he successfully defended the AAA Mega Championship against Vikingo in a No Disqualification match. At
WrestleMania 42 Night 2 on April 19, Mysterio lost to "The Demon" Finn Bálor in a Street Fight. == Personal life ==