Ed Helms (b. 1974) is an actor known for his roles on The Office and in The Hangover films. He also voiced The Once-ler in Dr. Seuss' The Lorax.
He appears in Sesame Street's 43rd season, demonstrating "grimace" as The Word of the Day with Elmo and a giant chicken.
Helms also guest stars in The Muppets episode "Pig Out."