MkLeo, also known simply as Leo, is a Smash 4 top professional smasher from Mexico who mains Cloud and Marth with Bayonetta, Lucina, Meta Knight, and Corrin as strong secondaries. He is his country's best player and is considered to be one of the best players in the world. He is also widely considered to be the best Marth and Meta Knight player in the world and is considered to be one of the best Cloud players in the world (along with Tweek and komorikiri), one of the best Corrin players in the world (along with Cosmos), and one of the best Bayonetta players in the world (along with Tweek, Salem, Mistake, and CaptainZack). He is cousins with professional smashers Serge and Javi.
Leo arguably popularized both Meta Knight and Marth, characters that had been seen as mediocre after their nerfs from Brawl, as top players such as Abadango have since used Meta Knight against other top players until his nerfs in game updates, as well as lower-leveled players picking up Marth due to his dominance with him.
He is so far the youngest player to win a major Smash 4 tournament, doing so at only 15 years old, achieving this feat at 2GGT: ZeRo Saga. Due to his aggressive style and heavy punish game with Meta Knight and proving his skills surpass those of top players at a very young age, some compare him to Nairo's early Brawl career.
He is also a proficient doubles player and usually teams with komorikiri or his cousin Javi. Leo/komorikiri consists of Cloud/Cloud and have taken 1st at majors such as Super Smash Con 2017, 2GGC: SCR Saga, Shine 2017, and GameTyrant Expo 2017. They are currently considered to be the best team in the world.
Leo/Javi generally consists of Cloud/Sheik or Cloud/Cloud and dominate the Mexican and American scenes, taking impressive first places at major tournaments such as 2GGC: Civil War, 2GGC: Nairo Saga, and Canada Cup 2016. The duo has wins over the likes of ZeRo and Nairo, Mew2King and Ally, and Larry Lurr and ANTi.
Leo is known for his aggressive, yet calculated, playstyle with most of the characters he plays with, which grants him a strong punish game, as well as being known for his intense mindgames. As Marth, he is well known for his masterful spacing of Marth's aerials, as well as a surprisingly aggressive approach with a character that is often played with a more patient and defensive playstyle. As Cloud, he is more known for his defensive spacing and reserved usage of Limit Break-boosted moves, though he does retain his signature aggressive playstyle with him whenever he has the advantage, allowing him to pressure the opponent very well. As Meta Knight, he is known for his mastery of Meta Knight's combos, his uncanny ability for reading the opponent's air dodges, and his proficiency at executing the Rufio, Meta Knight's famous death combo.
He is also notorious for his player knowledge, defeating his opponents convincingly after initially losing to them in their first encounter. However, he does have some problems on the Ryu match-up, having dropped sets to Darkshad, Trela, Venom, Klein, and takera (though he began showing improvement in the matchup lately, notably having a perfect record against Locus). He is also known to struggle against grab-focused characters such as Donkey Kong and Bowser; at 2GGC: MkLeo Saga, he said that the player he dislikes fighting the most is DK player Tweek.
2008-2014: Pre-Smash 4
MKLeo's tournament record before Smash 4 is relatively unknown (though it was implied he has been playing competitively since 2008). His first tournament victory came at Anime Expo Mexico TNT 2009, at only 8 years of age.  5 years later, he attended Smash Factor 3 in Project M singles, losing to his cousin Serge 0-3 in winners finals, but defeating Ally 3-2 in losers finals. He lost to Serge again 2-3 in grand finals to place 2nd.
2015-Early 2016: Growing Fame Outside of U.S.
In 2015, MkLeo was a Meta Knight main and considered the best player in Mexico. He burst into the international Smash scene when he won Smash Factor 4, Mexico's largest Super Smash Bros. for Wii U tournament at the time, defeating Mr.R in Grand Finals 3-1, 2-stocking him in each game he won. Later in the year, at another Mexican tournament, True Combo, Leo defeated Vinnie 3-1 in Grand Finals, further proving his capabilities as a player and creating more interest in the Mexican Smash scene as a whole.
In 2016, Leo's usage of Meta Knight progressively decreased as he started to use Cloud and Marth more and more. Following Meta Knight's nerfs in game update 1.1.5 and Marth's buffs in the same update, he began to rely more on him and Cloud, only playing Meta Knight in specific match-ups such as Peach, Ryu, and Sonic.
Due to visa issues, Leo was unable to attend an American tournament prior to October 2016. He received his Canadian visa after registration for Get On My Level 2016 had closed, but a decision was made by TOs to allow him to enter despite this, due to a widespread community approval. He defeated False and Nairo to reach top 8. Leo was matched up against Ally and was defeated 1-3. In loser's bracket he faced ZeRo in a highly anticipated set, which he narrowly lost 2-3 in a last hit, last stock situation, proving that he could go toe-to-toe with many other top players. He placed 5th.
At Smash Factor 5, after losing to Wonf in winners quarters 2-3, Leo made a run through the losers bracket, getting the runback against Wonf in losers semis 3-0, eliminating Dabuz in losers finals 3-2, and beating Mr.R twice in grand finals (3-0 and 3-2) to win the tournament.
At Canada Cup 2016, Leo once again confirmed his place among the best. He double eliminated Mew2King, and despite losing to Ally in winner's finals 2-3, he ended up taking 2 sets off of Ally in a close 3-2/3-2 grand finals to get 1st place.
2016: USA Debut and Becoming Top 10
In October 2016, MkLeo's visa was approved, allowing him to travel to the United States. His first American tournament was KTAR XIX where he placed 3rd, beating Nairo a second time 3-2 but losing to ZeRo 2-3 in winners finals and Salem 1-3 in losers finals.
At 2GGT: ZeRo Saga, MkLeo was sent to losers by VoiD 2-3; subsequently, he made an impressive losers run, defeating Dabuz 3-1, ANTi 3-0, and Ally 3-1. He then defeated ZeRo 3-0 in loser semis, becoming the 16th player to defeat him. He then won the rematch against VoiD in losers finals 3-0 to reach Grand Finals against Larry Lurr. He reset the bracket 3-1 and claimed the second set 3-2 to win his first American national tournament. Soon after, he was sponsored by Echo Fox and Most Valuable Gaming as a result.
1st Half of 2017: GENESIS Champion and Becoming One of the Best
MkLeo travelled to California to participate in the upcoming international tournament GENESIS 4. His first event there was 2GGC: GENESIS Saga, set the weekend before GENESIS, where he beat Rich Brown and his cousin Javi both 3-1 to make it to top 8. He was then sent to losers by VoiD (2-3) and eliminated by Tweek (1-3), placing 5th.
At GENESIS 4, Leo solidly cruised through his round 1 and 2 pools, defeating You3 and Raffi-X both 2-1. In top 32, he beat Elegant and komorikiri in two very close 3-2 sets. In top 8, he beat Mr.R 3-0, then he defeated Ally 3-1 in winners finals and 3-2 in grand finals, winning his second supermajor tournament in a row.
At Frame Perfect Series 2, Leo defeated Ranai in a rather dominant 3-0. He was then sent to the loser's bracket by ZeRo 0-3 in winners semis, landing next to Dabuz in bracket where he won 3-2. Leo then went on to face komorikiri in loser's semis, defeating him 3-0 in Cloud dittos, before losing to ZeRo again in losers finals 0-3, placing 3rd.
MkLeo attended KTAR XX where he qualified for top 8 winners after defeating Mr.E 3-0 in a highly anticipated Marth ditto set. He then beat Nairo 3-1 but lost to ZeRo 1-3 in winners finals and Tweek 2-3 in losers finals, placing 3rd.
Returning back to Mexico, he attended The Arena 2017 using almost exclusively Corrin. He defeated Wonf 3-0 in winners finals, but lost to Javi 1-3 in the first set of grand finals. Switching out of Corrin, he won the second set 3-1.
At DreamHack Austin 2017, MkLeo made it to top 8 winners without losing a game, beating players such as Locus and Whispy. He then defeated VoiD 3-2 and Ally 3-1 to reach grand finals, where he lost to ZeRo 0-3 twice, placing 2nd.
MkLeo traveled to Japan for the first time and attended his first event there, KSB 2017. He solidly won the tournament: defeating Ranai, Edge, and Abadango solidly. He then attended Umebura Japan Major 2017 defeating the likes of Kirihara 2-1 and Choco 3-0 until losing to KEN 0-3 in winners finals. After defeating Choco 3-2 again in losers finals, he won both sets of grand finals against KEN 3-2 and 3-0 using Meta Knight, taking the tournament.
After returning to the USA, he attended 2GGC: Nairo Saga, making top 8 winners without dropping a single game. He defeated Ally 3-0 in winners semis, but lost to ZeRo 2-3 in winners finals (this time using Cloud) and Salem 2-3 in losers finals, placing 3rd.
At CEO 2017, MkLeo made it to winners quarters after beating ZD 2-0 and Marss 3-0 where he lost to Larry Lurr 2-3. He made top 8 after defeating Dabuz 3-2. He went through the bracket, defeating Salem 3-2 (with a choice of Corrin games 4 and 5), KEN and Nairo 3-1 and Larry Lurr 3-0 in a runback before finally losing to ZeRo 1-3 in grand finals (again playing Corrin in games 3 and 4), placing 2nd.
2nd Half of 2017: Sudden Drop and Quick Resurgance
At EVO 2017, MkLeo was upset by False 1-2 in his pool in winners. Then in the same pool, he lost to MuteAce 0-2, placing 65th (his worst since Civil War). One week later, at DreamHack Atlanta 2017, MKLeo was upset 1-2 by Vinnie in pools, entering top 64 on losers side. After defeating Rideae 2-0 and Manny 3-1, he lost to ZeRo 0-3 (despite choosing Meta Knight games 2 and 3), placing 17th. Despite the underwhelming placings, he did win International Gaming Expo 2017 in Texas, defeating players such as Ryo and Konga.
MkLeo attended Smash Factor 6 in his native Mexico. He solidly cruised through the bracket, defeating NAKAT 3-0 to make top 8 winners. After defeating his cousin Javi 3-2 though, he lost to Mr.R 1-3 in winners finals (despite choosing Meta Knight games 3 and 4). After defeating NAKAT again 3-0 in losers finals, he won both sets of grand finals 3-0 and 3-1 over Mr.R using solely Marth, taking the tournament. The following week, he attended Super Smash Con 2017 where he solidly made top 8 winners, defeating Komorikiri 3-2 in pools, then Salem 3-1 in winners quarters. In top 8, he defeated WaDi 3-0, but lost to ZeRo 1-3 in winners finals and Nairo 1-3 in losers finals, placing 3rd.
At 2GGC: SCR Saga, MkLeo made top 8 winners after defeating Tweek 3-0. In top 8, he lost to ZeRo 0-3 but then made a losers run, defeating CaptainZack 3-1, Mistake 3-2 and Larry Lurr 3-1 before losing to ZeRo again 2-3 in grand finals, placing 2nd.
At Shine 2017, MkLeo made top 8 winners after defeating Ally 3-1. He lost to ZeRo 1-3 in winners semis and Tweek 0-3 in losers quarters (despite counterpicking Corrin, Bayonetta and Toon Link against Tweek's Donkey Kong), placing 5th.
MkLeo was invited to PAX Arena at PAX West 2017. He lost every set in his round robin pool except against KOSSismoss, whom he defeated 2-1, to be seeded in losers side for the final bracket. In the top 10 bracket, he would lose his first round set to another Donkey Kong, this time Konga's 1-3, finishing in 9th place.
At GameTyrant Expo 2017, MkLeo solidly made top 8 winners after defeating Salem 3-1. He then beat Mr. R 3-1 but lost to Elegant 1-3 in winners finals. In losers finals, he defeated ZeRo 3-1 for the first time since 2GGT: ZeRo Saga (using Meta Knight). He then won both sets of grand finals against Elegant 3-2/3-2 to win the tournament.
At 2GGC: Fire Emblem Saga, MkLeo was upset by komorikiri 2-3 in winners quarters and VoiD 2-3 in losers, placing 9th. However, he defended his title at Canada Cup 2017, defeating Larry Lurr 3-2 in winners finals and Lima 3-1 in grand finals. However, he was unable to break the curse at 2GGC: MkLeo Saga, losing to Tweek 2-3 in winners finals and KEN 2-3 in losers finals, placing 3rd.
At the 2GG Championship, MkLeo barely won in his group to qualify for the championship bracket, defeating Kirihara 3-2 and Salem 3-0 after losing to Shuton 0-3. In the championships, he was able to beat Abadango 3-2, 3-0 ZeRo with Meta Knight, and beat Salem 3-1. In grand finals, he lost the first set to ZeRo 2-3, but managed to take the last set 3-1.
MkLeo was invited to Smash 4 Boot Camp one week later. He lost to Tweek 1-2 and Cosmos 0-2 in his group pool, entering top 16 on losers side. He beat Dabuz 3-1 but lost to Larry Lurr 1-3, placing 9th.
2018: Claiming the Throne
MkLeo successfully defended his title at GENESIS 5, narrowly defeating Dabuz 3-2 in winner semis, defeating Salem 3-0 in winners finals and Mistake 3-1 in grand finals. He traveled to Japan to attend EVO Japan 2018 and again won the tournament from the winner side, defeating Abadango 3-2 and 3-1 in winners finals and grand finals respectively.
MkLeo qualified for Niconico Tokaigi 2018 by winning Umebura Tokaigi Qualifier 1, defeating Shuton 2-0 in grand finals. At Tokaigi 2018, MkLeo placed 2nd, losing to Tokaigi 2017 champion Nairo 0-2 twice in grand finals.
At Midwest Mayhem 11, MkLeo lost to Dabuz for the first time 2-3 in winners finals and Zinoto 1-3 in losers finals, placing 3rd. At Smash Masters League: Battle for Vegas, MkLeo placed 2nd, losing to Nairo twice (2-3 in winner semis and 0-3 in grand finals). However, he came back with a win at Noods Noods Noods: Oakland Edition, defeating ANTi 3-0 in both winners and grand finals. MkLeo would later get his redemption on Nairo at SwitchFest, defeating him 3-2 in winners finals and 3-1 in grand finals to take the tournament.
At Get On My Level 2018, MkLeo remains on top by taking the tournament, defeating Nairo 3-2 in winners finals and 3-1 in the second set of grand finals (despite losing the first set 1-3). He would be unable to win the next major tournament, Smash 'N' Splash 4, however, losing to Salem 0-3 in winners semis and 1-3 in losers finals, placing 3rd.
On May 9, 2018, MkLeo was revealed to be one of the invited players to attend E3 2018 for Nintendo's invitational tournament for the next iteration of Super Smash Bros., named Super Smash Bros. Ultimate.
When the invitational was played out on June 12th, MkLeo would team with Mango to defeat Mr.R and Lucky to advance to winner semis, playing Bayonetta. MkLeo would defeat Mango's Inkling with Sonic to advance to winners finals with Solid Snake against ZeRo's Sheik. MkLeo barely lost to ZeRo so he dropped into losers finals where he faced Plup. After sweeping Plup's Ridley with Bayonetta, he faced ZeRo again in grand finals, which was best of 3, and managed to reset the bracket 2-0 with Bayonetta and Sonic over ZeRo's Mario and Sheik. However, MkLeo would lose 1-2 in the second set to ZeRo's Mario, finishing 2nd at the invitational.
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