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:

About Jason Smith
Recent Posts
Justin Herbert remembers 2024 playoff embarrassment
"No one felt worse than I did after that game."
Philip Rivers not able to do enough in impressive showing
"I'm torn on how to express it."
Lions not blaming refs after crucial loss
"And at the end of the day, that's on us."
Caleb Williams shines in OT thriller
"I knew it was good."
Giannis Antetokounmpo focused on current teammates, health
"I'm still locked in."
Puka Nacua apologizes: ‘I had no idea’
"I deeply apologize to anyone who was offended."