MIKE TYSON absolutely demolished Butterbean with a second-round knockout in their eWorld Boxing Super Series bout.
The Baddest Man on the Planet is now the second favourite to be crowned the greatest heavyweight of all time - using computer game footage.
WBSS have simulated fights between boxing's biggest names using the EA Sports Fight Night game.
And in this clash of Tyson and former pro wrestler Butterbean - real name Eric Esch - the ex-heavyweight champion of the world made easy work of the cult hero.
The New York Arena in Manhattan was the "venue" for the scrap - if you can call it that.
And it did not last long at all, with Tyson's huge left to Butterbean's substantial head ending it all just seconds into the second.
Iron Mike - who recently said he was "looking forward to death" - exploded about out of his corner in typical ferocious style.
He floored Butterbean, who had 77 wins through 58 knockouts in his career, twice in the first, with the bald baddie able to land only a few jabs.
And it was all over a matter of seconds into the second with Tyson's swinging left KO'ing the former sheriff.
Not many were able to knock the 30st behemoth off his feet in his real-life career - but Tyson, who first become champ aged just 20, managed it with ease in this simulation.
The difference in their physiques played out clearly on screen, and Tyson was able to force his blubbery opponent onto the ropes early.
A left hook to Butterbean's gargantuan gut was the first delivery to send him to the canvas.
He was back on his feet after a six count but a juddering right to the temple saw the ex-Jackass star go down again and narrowly avoid being counted out.
In scenes reminiscent of Tyson Fury's incredible Undertaker-style rise from the canvas after a Deontay Wilder knockdown in their first fight, Butterbean then went on the offensive and connected with a couple of jabs before the round was over.
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But it was not to last.
You could practically hear Butterbean's jaw break when Iron Mike's thunderous left landed just after the restart.
Tyson is now 5/1 to win the crown, with Muhammad Ali the big 1/4 favourite.