Little Kid Matches Bruce Lee's Nunchuck Moves, Kung Fu Prodigy in Action - TMZ

who knows one of the legend's insane nunchuck movie routines like the back of his hand.

including his famous fight scene from "Enter the Dragon," where he's swinging around the chucks like the master martial artist he was.

at age 9 now, he looks like he could be just good as Bruce was in his prime.

It looks like they post a ton of side-by-side shots of Ryusei with the late legend, and they even went out to Bruce's gravesite in Seattle to pose for a photo-op.