
Jim Ross Meskimen (born September 10, 1959) is an American comedian and actor, perhaps best known for his work on the improvisation show Whose Line Is It Anyway? and as the voice of President George W. Bush and other politicians for the internet Jib Jab animated shorts. He voices Thom Cat, Neighbor John, and Stumpy in Random! Cartoons. Meskimen is the son of actors Marion Ross and Freeman Meskimen. He is a Scientologist.

War of the Worlds
2025 · as POTUS

There Will Be Blood
2007 · as Signal Hill Married Man

Hungry
2026 · as Tim

Apollo 13
1995 · as TELMU White

The Punisher
2004 · as Accountant #1

How the Grinch Stole Christmas
2000 · as Officer Wholihan

Frost/Nixon
2008 · as Ray Price

Once Upon a Studio
2023 · as Eeyore / Merlin (voice)

Magnolia
1999 · as Forensic Scientist

Jingle All the Way
1996 · as Police Officer at Parade

Nothing to Lose
1997 · as Ginger

Constantine: City of Demons - The Movie
2018 · as Beroul / Cheleb / Quedbas (voice)

Batman vs Teenage Mutant Ninja Turtles
2019 · as Commissioner Gordon / Scarecrow (voice)

Batman: Arkham City (The Movie)
2011 · as G.C.P.D. Sergeant Tom Miller

Batman: Gotham Knight
2008 · as Gordon / Deadshot (voice)

The Sheriff
2026 · as George

Three Colors: Pan-African
2026 · as Doctor Roberts

Superman: Red Son
2020 · as John F. Kennedy / Dwight D. Eisenhower (voice)