There is no cooler dude than Dave Grohl. He is a virtuoso musician, he loves his wife and kids, and he is seriously hot. He is also really goofy. If you ever seen him in an interview you've seen how silly and fun he can be. His silly side came out when he teamed up with Sesame Street's Big Bird and Elmo for a sweet song about traveling across the country to meet new people.

I just love the cheesy grin on his face the whole time he is having fun with Bird and Elmo, and you gotta love that tats on display are no big deal on Sesame Street. This isn't the first time that Dave Grohl has hung out with Muppets. He did a stint on the Muppet Movie and even did a drum battle with Animal. It was hilarious and you definitely need to watch until the end of this clip to see who wins this epic battle.

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