Bartholomew Cubbins, a page, is the hero of two children's story books by Dr. Seuss: The 500 Hats of Bartholomew Cubbins (1938) and Bartholomew and the Oobleck (1949).
Besides his two books (and stage adaptations of them), Bartholomew Cubbins also appears as a character in the TV show The Wubbulous World of Dr. Seuss. He is mentioned in a song by songwriter Bill Pere.
The main character of Seuss's only film, The 5000 Fingers of Dr. T, is named Bartholomew Collins. Like Cubbins, Collins is a young boy who is wiser than the adults around him.
Read more about Bartholomew Cubbins: Religious Significance, In Popular Culture