LokDog taunts Melk Costa and Tubarão, heating up the rivalry against Brazilians in the UFC.

Vinicius Lokdog fighting in the UFC. Photo: Reproduction/UFC

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Vinicius LokDog barely recovered from one war and is already involved in a new battle behind the scenes of the UFC. After being defeated by Mario Bautista and announcing his move up to featherweight (up to 65,7 kg), the fighter from Rio Grande do Sul began exchanging barbs with Joanderson Tubarão . In the midst of the discussion, the athlete publicly questioned his rival's training methods.

In a post on 'X', LokDog mocked his opponent by joking about his nickname and mentioning the fact that he was defending Melk Costa . He then took a jab at Tubarão's gym, suggesting that training sessions involved biting between the members themselves.

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"Now I remember that it's Nemo the clownfish from 66kg ( Joanderson Tubarão ) who's defending the colorful one ( Melk Costa ), he's from that gym where they play around biting their opponents, right? Do you guys train by biting your colleagues or is it only in the fight itself?", wrote Vinicius LokdDog.

Now I remember that it's Nemo the clownfish from the 66kg team defending the colorful one, he's from that gym where they play around biting their opponents, right? Do you guys train by biting your training partners or is it only during fights?

— Vinicius “LokDog” Oliveira (@LokdogVinicius) February 12, 2026

Understand the beginning of the conflict between LokDog and Tubarão backstage at the UFC.

The controversial Vinicius LokDog has already made a splash in the UFC featherweight division (up to 65,8 kg). Last Saturday (7), in Las Vegas (USA), the Brazilian was no match for Mario Bautista and

He was finished in the second round, suffering his first defeat in the company. After the setback and the struggle to compete in the bantamweight division (up to 61,2 kg), the athlete announced his move up a weight class and entered into a conflict with a fellow countryman.

After his loss at UFC Vegas 113, LokDog used social media to announce his change of weight class and challenged... Melk Costa, calling him 'colorful', to welcome him.
Upon learning of the gaucho's position, Joanderson TubarãoLokDog, who is part of the category and trains alongside Melk, offered to welcome the new featherweight. Immediately, LokDog didn't want any contact with the fighter from Maranhão and proceeded to mock him.

"Who's the colorful 66kg jerk trying to welcome me? If it's outside of Brazil, it'll take me a little longer to get here, but if it's in Brazil, you don't even need to go far to find me!", wrote LokDog.

"He has a fight scheduled, but I'm here and I live in Brazil too," Tubarão replied.

"Wait a minute, who are you anyway? With all due respect, I didn't even know you existed. Is it you speaking or is it AI?", concluded the bad boy from Rio Grande do Sul.

Who's the colorful 66kg jerk trying to welcome me? If it's outside of Brazil, it might take me a little longer to get here, but if it's in Brazil, you don't even need to go far to find me!!

— Vinicius “LokDog” Oliveira (@LokdogVinicius) February 11, 2026

Wait, who are you anyway? With all due respect, I didn't even know you existed, are you talking or is it an AI? 🤔

— Vinicius “LokDog” Oliveira (@LokdogVinicius) February 11, 2026

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