system
A chat on subreddit /r/me_irl
human
Seth Rogan and it isn’t even close.

EDIT:  
Will Ferrel - Step Brothers
Jim Carrey - Man on the Moon, The Number 23, and Yes Man
Adam Sandler - Big Daddy, Click, Billy Madison, Grown Ups, Bulletproof, and Airheads.
gpt
Jim Carrey honorable mentions: Ace Ventura, The Mask, Liar Liar, Me Myself and Irene, Dumb and Dumber.