O the Owl is a main character of Daniel Tiger's Neighborhood and Daniel's best friend. O lives right next to Katerina Kittycat in the same tree and even shares some sort of brother and sister type relationship with Katerina. He also lives with his Uncle X, who takes care of him.
O loves to read books and is usually seen with a book most of the time. He is also a very curious child who is always on the lookout for new things.
O the Owl is a blue colored owl with green Eyes, Yellow eyelids, an orange beak, and wears green and white sneakers.