Seth McFarlane is a very talented dude. The man behind Family Guy, Ted and other productions has an innate ability to change voices and do impressions of just about anyone. He joined Jimmy Fallon on Monday night to partake in some impression fun and while McFarlane clearly holds the upper hand, Fallon did a pretty good job as well.
The two nailed impressions for Liam Neeson, Jerry Seinfeld and others: