Photo by Douglas Gorenstein

It finally happened. Will Ferrell and Chad Smith took part in a drum-off to prove once and for all who really is the Red Hot Chili Peppers drummer.

The event took place, as previously announced, on the set of The Tonight Show Starring Jimmy Fallon. It was prompted by years of the two frequently being mistaken for each other by fans.

So who's the best? Watch video of their on-screen battle below to find out. (They also talked about their lengthy rivalry here.)

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