[13][14][15] Sebei trained under Jerry Tuite and Savio Vega[6] and made his professional wrestling debut on March 1, 2002, for the FLQ promotion in Quebec as Stevie McFly.

El Generico held the PWG World Tag Team Championship five times with four different partners: with Human Tornado as 2 Skinny Black Guys, Quicksilver as Cape Fear, Kevin Steen, and Paul London as ¡Peligro Abejas!.

In mid-2009, Generico entered a lengthy feud with the tag team Men of Low Moral Fiber, consisting of Kenny Omega and Chuck Taylor, recruiting Colt Cabana, referee Rick Knox, and former partner Human Tornado (effectively reuniting 2 Skinny Black Guys) to stand by his side.

[31] On October 22, El Generico defeated Steen in a ladder match, following outside interference from The Young Bucks, to win the PWG World Championship for the second time.

[33] After agreeing to a deal with WWE, El Generico made his farewell appearance for PWG on January 12, 2013, when he and Kevin Steen entered the 2013 Dynamite Duumvirate Tag Team Title Tournament.

After wins over the Briscoe Brothers and Future Shock (Adam Cole and Kyle O'Reilly), El Generico and Steen were defeated in the finals of the tournament by The Young Bucks.

[37] The following day El Generico entered the Rey de Voladores tournament, but was defeated by Kota Ibushi in his four-way elimination semifinal match, which also included Jigsaw and Nick Jackson.

On April 10, 2009, at a television taping, Generico and Steen lost the ROH World Tag Team Championship to The American Wolves (Eddie Edwards and Davey Richards).

[citation needed] On December 19, 2009, at Final Battle 2009, ROH's first live pay-per-view, after a loss to The Young Bucks, Steen turned heel by attacking El Generico.

[56] On March 30, 2012, at Showdown in the Sun, El Generico faced the reinstated Kevin Steen in a losing effort in a Last Man Standing match and then disappeared from ROH.

[57] After Steen successfully defended the ROH World Championship on October 13 at Glory By Honor XI: The Unbreakable Hope, he received a parcel containing Generico's mask.

[75] On March 31, 2012, El Generico made his debut for Dragon Gate USA (DGUSA), when he defeated Chuck Taylor, Cima, Lince Dorado, Rich Swann and Samuray del Sol in a six-way match.

On October 23, Generico competed at Pro Wrestling Superstars' inaugural show in Jacksonville, North Carolina, where he teamed with Paul London to defeat Joey Silvia and Jake Manning.

[95] On February 26, 2012, El Generico visited Russia for the first time, making his debut for the Independent Wrestling Federation (IWF), where he faced Ivan "Locomotive" Markov and won.

[97] After signing with WWE, El Generico made his final Canadian independent appearance on January 18, 2013, when he worked for the Hart Legacy Wrestling (HLW) promotion in Calgary.

In the opening four-way elimination match, El Generico and Samuray del Sol were victorious over Cam!kaze and Pete Wilson, Brian Cage and Trent Barreta, and Andrew Hawkes and Ryan Rollins.

[105] Sebei's NXT in-ring debut took place at a live event on March 7 in Tampa, Florida, wrestling a tag team match unmasked under his real name.

[109] Zayn made his televised debut on the May 22 episode of NXT, first defeating Curt Hawkins in the opening match and then challenging and scoring an upset win over Antonio Cesaro later in the show.

[137] To hype that match, Zayn and Neville appeared on the September 8 episode of Raw, defeating Breeze and Kidd while making their main roster debuts.

[151] On the May 4 episode of Raw, Zayn was introduced by Bret Hart as John Cena's opponent for his weekly "U.S. Open Challenge" for his United States Championship;[152] taking place in his hometown of Montreal.

[172] On the May 23 episode of Raw, Zayn defeated Sheamus to qualify for the Money in the Bank ladder match,[173] but at the eponymous event on June 19, he was unsuccessful as the briefcase was won by Dean Ambrose.

[190] On the January 30 episode of Raw, Zayn defeated United States Champion Chris Jericho in a non-title match,[191] but failed to win the title the following week.

[194] On the March 27 episode of Raw, Zayn defeated Owens in a no disqualification match to end their feud, saving his job and qualifying for Andre The Giant Memorial Battle Royal at WrestleMania 33 on April 2,[195] which he failed to win.

[259] On the November 26 episode of SmackDown, Zayn would compete in a battle royal to determine the number one contender for the Universal Championship, last eliminating Jeff Hardy to win the match.

[260] On the December 3 episode of SmackDown, Zayn would face the champion Roman Reigns for the title, but lost in 15 seconds due to Brock Lesnar attacking him before the match.

[272] Having felt as he had lost respect and credibility in the locker room, starting on the April 22 episode of SmackDown, Zayn sought to seek favor with The Bloodline, the stable that was led by Roman Reigns.

[285] At Elimination Chamber on February 18, Zayn failed to win the titles from Reigns in a universally acclaimed match in front of his home crowd in Montreal.

[300][301] After Kevin Owens moved to SmackDown, Zayn declared on the October 16 episode of Raw that he will show the world what he can do on his own, until he was interrupted by The Judgment Day, but was able to fend them off alongside Jey Uso, starting a feud with the stable in the process.

[302] Zayn had his first match since splitting from Kevin Owens on the October 23 episode of Raw against Drew McIntyre in a losing effort after some outside interference from Rhea Ripley.

[303] On the October 30 episode of Raw, as Ripley, "Dirty" Dominik Mysterio, and JD McDonagh were in the ring, Zayn interrupted them, and stated that despite being alone, he would continue to fight The Judgment Day until the group ended.