Sesame Street Count Character design. Sesame Street The Count Ah! Ah! Ah! is 100% authentic, officially licensed Sesame Street apparel, that comes in t shirt, v-neck, tank top, longsleeve, pullover hoodie, sweatshirt, 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. Crafted from a unique 40 singles tri-blend fabric, offering a lightweight, ultra-soft feel Classic crew neck design with side-seam construction ensures both comfort and a flattering silhouette Lighter colors are semi-sheer