Here's how the most popular "Sesame Street" muppets have transformed over the years. Oscar the Grouch has seen major changes, from fur color to limbs. Oscar the Grouch is probably the Muppet who ...

1Although Big Bird is a curious 6-year old and Oscar is a Grouch ... 13In 2006, Abby Cadabby moved to the Sesame Street neighborhood as a pink fairy-in-training. She was designed to inspire ...

As a kid, you likely spent a lot of time learning your ABCs from characters like Cookie Monster, Big Bird, Elmo, and Oscar the Grouch. "Sesame Street" has been on the air since 1969, and has ...