Jake Paul has hit back at a critic of his campaign for an increase in UFC fighter pay by branding him a "bird brain" on social media.
The YouTube star has continued to have a growing reputation in the world of combat sports calling out fighters in both boxing and MMA.
Paul has been embroiled in a fiery feud with UFC president Dana White as he continues to advocate for an increase in UFC fighter pay and healthcare.
He came into criticism online from MMA analyst Din Thomas who tweeted : "Not sure I understand Jake Paul. If he really cared about fighters why don't he just continue to throw his own events, pay fighters what he wants, and offer them long term health care."
The YouTube star quickly hit back: "I am doing that dumb f***. Made the biggest women’s boxing payday happen and will continue to do more.
"Your bird brain probably doesn’t understand that the movement is bigger than just me though.
"Also what kind of parents name their son 'Din'?"
Paul most recently offered UFC kingpin White a one-fight deal to face Conor McGregor in exchange for an increase in fighter pay and healthcare.
The YouTube star has made examples of the likes of Israel Adesanya and Francis Ngannou when making his argument that fighters should be paid more in the promotion.
He has received a mixed reception with some stars such as Ngannou and MMA star Jake Shields backing his objective to find an increase in pay.
White has previously responded to Paul's challenges including his plan to fight Jorge Masvidal and retire in exchange for a guaranteed higher minimum purse for fighters.
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However the president failed to acknowledge this offer and played down the feud by claiming he doesn't hate the rising star.
Paul has invested in a share of UFC's parent company Endeavour in a bid to try and continue his plan further.
But the 25-year-old believes he has the "private backing" of many within the sport despite facing some mixed reviews of his campaign online.
“I don’t want them to sacrifice,” Paul said, explaining that he understands why they wouldn't make their views public. "They have to put food on their family’s table - I happen to have a platform to be able to do this.
"So I accept the responsibility and I’m going to do it, I’ve made that decision, I’m going to war and I’m not backing down no matter what happens.
"I don’t need the fighters in the UFC to support this - behind the scenes, it would be great for them to support it and talk about it and push for these movements."
Paul has began his own work in fighter's pay in boxing by helping promote the female clash between Katie Taylor and Amanda Serrano where he vowed both fighters will receive a career-high payday.
