Mr. Noodle and his siblings are characters who appear in the "Elmo's World" segments during the educational children's television program Sesame Street. Mr. Noodle was played by Broadway actor Bill Irwin, who had previously worked with Arlene Sherman, executive producer of Sesame Street and co-creator of "Elmo's World", in short films for the program. The first Mr. Noodle is the oldest child of the Noodle siblings.