Jimmy Fallon already scored a huge web hit when he and his dead-on Neil Young impression belted out General Larry Platt’s ‘Pants on the Ground,’ and now Jimmy … err, Neil … is back with a rendition of the new viral sensation, ‘Double Rainbow.’

‘Double Rainbow,’ if you haven’t seen it, is essentially a mightily happy dude going bonkers over, you guessed it, a double rainbow. It quickly became a web phenomenon, prompting spoofs, Auto-tune versions … and now a cover by ‘Neil Young’ himself. Check Jimmy out, and then the original ‘Double Rainbow’ below for perspective.

» Follow Celebuzz on Twitter | Facebook

BUZZINGS: More Celeb Goodness

• Nude Photo Scandal Rocks Bon Jovi — The Superficial

• Meet Jennifer Love Hewitt’s New Man — HuffPo

• Vampire Chic Fashion Showdown — BuzzNet

• Video
• Images
• Web

More Video Results »

Hulu
Late Night with Jimmy Fallon: Michele Bachmann, Part 2

Hulu
Late Night with Jimmy Fallon: Slow Jam the News: Occupy Wall Street

Hulu
Saturday Night Live: SNL Holiday Promo: Jimmy Fallon

Jimmy Fallon comes to RIT on Saturday, October 11.

Jimmy Fallon - Zap2it

Jimmy Fallon

Jimmy Fallon challenges Michelle Obama to potato sack race [Video]
One by one, First Lady Michelle Obama is besting America's talk show hosts in feats of physical fitness, all in the name of her "Let's Move" initiative. Her latest victim: Jimmy Fallon. On Tuesday night, Fallon aired a segment on "Late Night" in ...