Jocktopapa is the father of Jocktopus Ludwig Vandenbush.
When Jocktopus explained to Bea about how much the play meant to him, he said that his father, Jocktopapa, used to read Jocktopus stories about potatoes when he was little. Jocktopapa told Jocktopus that potato stories were the best stories, and that one day, Jocktopus will grow up and sing a song about magic potatoes. Jocktopus wanted to make Jocktopapa proud, so he and Bea finished the play with their final song. Jocktopapa cried tears of joy when he saw Jocktopus sing on stage, and when the play was over, Jocktopapa congratulated Jocktopus and told him to beat up some nerds, causing Jocktopus to wreck the stage again ("Fish School Musical").
- Jocktopapa's voice actor, John DiMaggio, is also the voice of Jocktopus Ludwig Vandenbush, who happens to be Jocktopapa's son.