Sesame Street Character design. Sesame Street Oscar the Grouch Street Life is 100% authentic, officially licensed Sesame Street apparel, that comes in t shirt, tank top, raglan, styles! Sesame Street is a longtime favorite of children and adults, and a staple of PBS. Big Bird leads a cast of characters such as Bert and Ernie, Oscar the Grouch, Elmo, Grover and many others to teach children numbers, colors and the alphabet. Lightweight, Classic fit, Double-needle sleeve and bottom hem