Sesame Street Costumes for Teens -- These costumes are brought to you by the letter "A" for awesome! Kids all over the world love Sesame Street, and you're never too old for it. That's why we're proud to offer our Sesame Street costumes for teenagers! All of your favorite characters are here; made in the popular bodysuit style, including teen Cookie Monster, Elmo, Bert and Ernie, and of course, Big Bird! Teen guys and gals alike love our Sesame Street costumes!