Paul Edward Valentine Giamatti (born 1967) is an American actor best known for Sideways, John Adams, American Splendor, and a slew of Hey, It's That Guy! roles in other films. His brother Marcus Giamatti is also an actor, and was a regular on Judging Amy. Their father A. Bartlett "Bart" Giamatti was president of Yale University from 1978 to 1986 and became commissioner of Major League Baseball about five months before dying in 1989; his death came only eight days after he banned Pete Rose from MLB for betting on games.
This actor provides examples of the following tropes: