![Alec Behan on Twitter: "Happy 68th Birthday to Bill Irwin! The actor who played Mr. Noodle in Elmo's World, TARS in Interstellar, and Lou Lou Who in How the Grinch Stole Christmas ( Alec Behan on Twitter: "Happy 68th Birthday to Bill Irwin! The actor who played Mr. Noodle in Elmo's World, TARS in Interstellar, and Lou Lou Who in How the Grinch Stole Christmas (](https://pbs.twimg.com/media/DagFW8bUMAEl3Y1.jpg)
Alec Behan on Twitter: "Happy 68th Birthday to Bill Irwin! The actor who played Mr. Noodle in Elmo's World, TARS in Interstellar, and Lou Lou Who in How the Grinch Stole Christmas (
![Actor / Clown / Writer and Mr. Noodle from Sesame Street, Bill Irwin. | Sesame street, Monty python, Actors Actor / Clown / Writer and Mr. Noodle from Sesame Street, Bill Irwin. | Sesame street, Monty python, Actors](https://i.pinimg.com/originals/f5/bb/59/f5bb592eae98ebc1c052249405623173.jpg)
Actor / Clown / Writer and Mr. Noodle from Sesame Street, Bill Irwin. | Sesame street, Monty python, Actors
![Actor Bill Irwin arrives for the premiere of the film 'Lady in The Water' in New York, July 17, 2006 Stock Photo - Alamy Actor Bill Irwin arrives for the premiere of the film 'Lady in The Water' in New York, July 17, 2006 Stock Photo - Alamy](https://c8.alamy.com/comp/2E6Y3EE/actor-bill-irwin-arrives-for-the-premiere-of-the-film-lady-in-the-water-in-new-york-july-17-2006-2E6Y3EE.jpg)