See Dave Grohl dressed as David Letterman as he guest hosts Kimmel

This is Dave Grohl.

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This is Dave Grohl as David Letterman…

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Freaky, huh?

This Halloween treat was provided as Grohl played guest host for Jimmy Kimmel live.

Normally best known for his work as frontman for the Foo Fighters (and drummer for another little known band called, “Nirvana”), the musician seemed like a strange choice for the comedic spot.

But anyone who is familiar with the extensive catalog of videos produced by the Foo Fighters will attest, the band has always shown a playful sense of humor.

“I’m Dave Grohl dressed as Dave Letterman sitting in for Jimmy Kimmel, it’s confusing, I get it, especially if you’re home watching right now stoned to the bone,” the guest host said, donning a long white beard and a letterman jacket. Grohl wore the costume for the entirety of the episode.

The choice of costume was not only creative, but perhaps a nod to the late night host for picking the Foo Fighters to be the final band to perform on the series finale of The Late Show with David Letterman in 2015.

During Grohl’s 10-minute opening monologue, the guest host poked fun at a North Carolina newscaster that dressed as “Dave Grohl” for Halloween – “That’s like the opposite of a tribute band,” he joked – and recruited parents for the annual viral hit “Hey Jimmy Kimmel, I Told My Kids I Ate All Their Halloween Candy.”

Grohl also sat in with the audience to play Jimmy Kimmel Live’s traditional Halloween game where the show mashes up two costumes and the audience needs to guess the “weird ass” character, like the Handmaid’s Snail, Marge Gimp-son and a Vanna White Walker, with Wheel of Fortune’s Vanna White making a surprise cameo to portray the Game of Thrones-inspired mash-up.

In what was perfect Halloween synergy, Alice Cooper was one of Grohl’s guests, with the shock rocker – dressed as himself, plus blood splatter –sitting down for an interview with Grohl/Letterman where the two discussed haunted houses and the time Cooper met the real Colonel Sanders.

Grohl and his Foo Fighters then joined a straitjacketed Cooper on stage to perform the singer’s Seventies hits “The Ballad of Dwight Fry” and “Killer” that ended with a morbid magic trick: In the medley’s final minutes, Cooper loaded himself into a guillotine that “beheaded” the singer in front of the audience. However, when the head was revealed to the audience, it was a copy of Grohl’s head and not Cooper’s. Grohl smooched his severed head in the last seconds of his guest-hosting gig.

https://www.youtube.com/watch?v=IPBPQBAIStg

Grohl is not only a great musician and competent host, he is also quite the impressionist. Witness his spot on Christopher Walken…

And just for kicks… here is the first (and one of the best) Foo Fighters songs to be released way back in 1995…