To no one's surprise, the NBA's original great shot blocker also is adept at swatting haters.
Boston Celtics legend Bill Russell apparently was watching the "NBA on TNT" show Thursday night, and initially, he liked what he saw.
But when host Charles Barkley slighted Russell while discussing the greatest players in NBA history, well, the GOAT felt compelled to respond.
We would pay to see Barkley and Russell go 1-on-1 in their primes -- and our money is on the 11-time NBA champion.
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This isn't the first time Russell has taken aim at Barkley, of course: The Hall of Famer famously shot Sir Charles a middle finger at the NBA Awards in June.
Russell turns 85 in February, but the Celtics icon (or whoever runs his Twitter account) hasn't lost a step.
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