Jason Mantzoukas is an American comedic actor, writer, and podcaster best known for his recurring role as Rafi in the FX comedy series, The League. Mantzoukas has starred in several notable films such as John Wick 3, The Dictator and How to Be Single. He has appeared in several successful television shows that include Big Mouth, Brooklyn Nine-Nine, The Good Place, Modern Family and Parks and Recreation.

In addition to his work in front of the camera, Mantzoukas co-wrote two Adult Swim specials titled Mr. Neighbors House 1 and Mr. Neighbors House 2 and helped develop the screenplay for the Universal Pictures film Ride Along, starring Ice Cube and Kevin Hart.