From Muppet Wiki

Sign Language ABC with Linda Bove is an introduction to the alphabet and simple American Sign Language (ASL) signs. Bove (in character as Linda) performs the appropriate signs in photographs, accompanied by illustrations of Sesame Street characters.

Characters

• Ernie, Big Bird, Bert, Grover (and Grover Knover), Farley, Oscar the Grouch, Rodeo Rosie, Herry Monster, Cookie Monster, Betty Lou, Telly Monster, Count von Count, Sherlock Hemlock, Prairie Dawn, Roosevelt Franklin, Grover's Mommy, Anything Muppets