Adriano da Silva Moraes
“Mikinho”
Source: bjjheroes.comBrazilian Team Constrictor black belt Adriano “Mikinho” Moraes built an MMA career on grappling and became ONE's inaugural flyweight champion.
Biography
Sources for this profile
BJJ Heroes, “Adriano Moraes”, accessed 10 September 2026.(opens in a new tab)
The profile gives his full name as Adriano da Silva Moraes.
Where in the source: Jiu Jitsu detail block — Full Name
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Moraes is known as both Black Diamond and Mikinho; Mikinho originated in his childhood capoeira training and referred to his small size and agility.
Where in the source: Jiu Jitsu detail block — Nickname
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Moraes is a Brazilian jiu-jitsu black belt representing Team Constrictor.
Where in the source: Opening summary and Team/Association
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Moraes first tried jiu-jitsu at sixteen, then developed at Erick Medeiros's academy within Ataíde Junior's Team Constrictor.
Where in the source: Biography — first jiu-jitsu class and Constrictor progression
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Medeiros and Ataíde Junior awarded Moraes his black belt on 6 March 2015.
Where in the source: Biography — black-belt promotion
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Moraes moved into mixed martial arts and made his professional debut in 2011.
Where in the source: Biography — final paragraph
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ONE Championship, “Brazilian Jiu-Jitsu Has Given Adriano Moraes Everything”, 12 January 2019.(opens in a new tab)
ONE Championship identifies Moraes as Brazilian and traces his jiu-jitsu roots to Brasília.
Where in the source: Opening and BJJ roots paragraphs
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ONE described Moraes's grappling as the foundation of his MMA success, recording six submission victories in the promotion by January 2019.
Where in the source: Opening and transition-to-MMA paragraphs
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In a ONE Championship interview published on 12 January 2019, Moraes described Instituto Arte Suave as his Brasília community project, using jiu-jitsu to support children's education, attitudes and responsibility.
Where in the source: Community project paragraphs
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ONE Championship, “5 Reasons Why Adriano Moraes Can Defeat Demetrious Johnson”, 31 March 2021.(opens in a new tab)
Moraes earned his Brazilian jiu-jitsu black belt under Constrictor Team coaches Erick Medeiros and Ataide Junior.
Where in the source: Black-belt and grappling section
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ONE Championship, “Adriano Moraes’ Amazing Journey From Abandoned Orphan To Flyweight King”, 17 February 2018.(opens in a new tab)
Before receiving his black belt, Moraes won the NAGA No-Gi Pro Division Championship in 2014.
Where in the source: Jiu-jitsu development paragraph
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ONE Championship, “The Thrilling History of the ONE Flyweight World Championship”, 25 May 2018.(opens in a new tab)
In September 2014 Moraes submitted Geje Eustaquio by guillotine in the second round to become the inaugural ONE Flyweight World Champion.
Where in the source: The Inaugural Champion Is Crowned
Accessed:
ONE Championship, “Adriano Moraes”, accessed 10 September 2026.(opens in a new tab)
ONE's current athlete page lists Moraes as a former ONE athlete and records 11 wins, including seven submissions, across 17 ONE bouts.
Where in the source: About Adriano Moraes — status and record breakdown
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