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 time in which Pablo mentions his mother.
Looks
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.
Appearances
Pablo's mother never appears, but is mentioned in "Catch that Train!"