Pablo's mother is a minor character in The Backyardigans.
In the "Catch that Train!" episode, Pablo invites Uniqua and Tyrone to his house for a snack. He mentions that his mother is making macaroni and cheese. This is the only instance in which Pablo speaks of his parents.
It is unknown what Pablo's mother looks like, as she has never been shown. It is possible that she bears a resemblance to her son.
Pablo's mother never appears, but is mentioned in "Catch that Train!"