2. Tim Minchin
Quick, what is Jimmy Fallon best known for? That's right! Mixing music and comedy. So maybe the top dogs at NBC want to bring in someone who can fill Fallon's musical shoes. Who better than Tim Minchin? If you're unfamiliar with him, Minchin is an Australian comedian, who has some serious music skills. Jimmy Fallon is really good musically, but this guy blows him out of the water... https://www.youtube.com/watch?v=5Ju8Wxmrk3s However, he is pretty well known for having edgy and raunchy humor at time, so having to tone down his material for national television might alienate some of his fans, but would easily garner him even more.