In case you hadn’t ever noticed, Will Ferrell and Chad Smith from the Red Hot Chili Peppers are practically twins. But do their similarities extend beyond the physical? Can, say, Will Ferrell drum his balls off like Chad? “The Tonight Show With Jimmy Fallon” wanted to find out, so Chad and Will stopped by for a drum-off. What’s next? A sing-off between Katy Perry and Zooey Deschanel? Yes please!