- Concept art of Guppy from Super Mario Galaxy depicts him with a fish in his mouth (pictured).
- In the French and Italian translations of Super Paper Mario, Flint Cragley is named after Indiana Jones.
- In Super Mario RPG: Legend of the Seven Stars and its remake, there is a model of Magitek armor from Final Fantasy VI inside Booster Tower.
- Rabbid Cranky is the only Rabbid hero to not have a unique Dash attack or a shield ability.