- Gustavo has two children; Julius and Julia.
- Gustavo was one of the competitors in the mayor's race in "Pups Save the Mayor's Race", indicating that he is a mayor (as are his sisters, Mayor Goodway and Mayor Greatway).
- Gustavo is a pretty good musician playing a guitar as seen in "Pups Save Gustavo's Guitar".
- In "Ultimate Rescue: Pups and the Hidden Golden Bones", on the wall next to the painting of Arizona Goodway and Pupaletta, there is a portrait of Gustavo and his sister who is amused by the sight of Gustavo doing the chicken dance while Chickaletta sits on his head.