Jack Davis (b. 1924), is an illustrator for MAD Magazine who drew many illustrations of the Muppets and human cast members of Sesame Street in the show's early years.
For TV Guide's cover story on Sesame Street (July 10, 1971), Davis illustrated Cookie Monster, happily munching on part of the TV Guide logo. He also provided artwork for Sesame Street Magazine, several puzzles and The Sesame Street Calendar 1972.
For MAD Magazine itself, he was the artist behind a parody of Sesame Street, entitled "Reality Street" (issue #146, October 1971) and 1978's "Mafia Street".