Jeffy is a masculine given name, a variation of Jeffrey, which may refer to: A child character in the syndicated comic strip The Family Circus a character in the 2003 novel The Devil Wears Prada Jeffy "Brad" Bradley, a character in the webcomic Schlock Mercenary - see List of Schlock Mercenary characters Jeffy, writer and director of the 2013 Indian Tamil film Nugam one of the mascots of JEF United Chiba, a Japanese professional football club Jeffy the J-Hawk, mascot of Jefferson High School (Iowa), Cedar Rapids, Iowa Big Jeffy, a Sesame Street Muppet (see List of Sesame Street Muppets) English-language masculine given names