| Yei
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| Character info
|
| Smash 4 mains
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Lucina, Marth
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| Other Smash 4 characters
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Meta Knight, Corrin, Olimar
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| Ultimate main
|
Meta Knight
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| Other Ultimate characters
|
Wario, Chrom, Joker, Lucina, Pokémon Trainer, Robin, Roy, Zero Suit Samus, Mario, Cloud, Byleth
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| Team info
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| Sponsor(s)
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OG Esports
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| Rankings and results info
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| Most recent ranking
|
 Costa Rican Power Rankings: 1st
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| Personal and other info
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| Real name
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Jason Valverde Mora
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| Location
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Costa Rica 
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| Miscellaneous info
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| Skill
|
 Professional
Professional
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Yei is a Super Smash Bros. Ultimate Meta Knight player from Costa Rica who plays a variety of characters. He has defeated Maister, Mr E, Joker, Chag, Wonf, and Nanon. He is currently ranked 1st on Costa Rican Power Rankings and is considered the best player in Central America (excluding Mexico).
In Super Smash Bros. for Wii U, Yei was known to have mastery over multiple characters, but mainly plays Lucina and Marth. His breakout tournament was at Smash Factor 7, where he defeated Rox and Cloudy before losing to ANTi in a close game 5 set, placing 9th.
