None of us - including Jimmy Fallon - could have had any inkling that he'd be the future host of The Tonight Show when he appeared on our show in 2010 to promote his book 'Thank You Notes'.
Jimmy opened up on as Saturday Night Live audition, played some guitar and did a few great impressions such as Seinfeld and Charlie Sheen.... More
I was always such a champion of him. I was a champion of Howard before you were supposed to be a champion of Howard. I was always saying, he's hilarious, stop it.