<Li> Baby Margaret - Daniel's baby sister who was introduced in Season 2 . Her favorite toy is Pandy, a stuffed panda. . She is named after Daniel's favorite baby book,' Margaret's Music', and her great - grandmother with the same name . </Li> <Li> Grandpere Tiger (voiced by François Klanfer) - Daniel's grandfather (' grandpere' being French for' grandfather') who travels in his sailboat and has a French accent . He wears a blue pea coat and a blue beret . (The family tree in Daniel Tiger's Neighborhood diverges from that of Mister Rogers' Neighborhood, in which Grandpere was actually the grandfather of Collette, and Daniel Striped Tiger was an orphan .) In the season 2 premiere, he tells Daniel that his mother was named Margaret </Li> <Ul> <Li> O the Owl (voiced by Zackary Bloch, then Stuart Ralston, then Parker Lauzton) - A little blue owl with green sneakers . O lives with his uncle, X, in the Treehouse . He loves books and has books about everything in his room . His catchphrase is "Hoo hoo!". </Li> <Li> X the Owl (voiced by Tony Daniels) - X is O's uncle . X's feathers are still the same dark blue color as they were in Mister Rogers' Neighborhood . He wears a green bowtie and brown loafers . He works at the neighborhood library . X's catchphrases are "How in the world are you?" and "Nifty galifty!" </Li> </Ul> <Li> O the Owl (voiced by Zackary Bloch, then Stuart Ralston, then Parker Lauzton) - A little blue owl with green sneakers . O lives with his uncle, X, in the Treehouse . He loves books and has books about everything in his room . His catchphrase is "Hoo hoo!". </Li>

What is the owls name on daniel tiger