Elmo is a red furry Muppet from Sesame Street who loves to sing and dance. He is known for his catchphrase, 'Oh, what's that? What's that?' Zoe is a young female Muppet who loves to play dress-up and explore her imagination. She is often seen with her pet rock, Rocco. Bert is an older male Muppet who is best friends with Ernie. He is known for his unibrow and love of pigeons. Ernie is a yellow Muppet who loves to play practical jokes on Bert. He is also known for his signature song, 'Rubber Duckie'.