||This article contains information of a formerly confirmed feature.
The original source that confirmed the subject has otherwise become obsolete, outdated or deprecated and has yet to be re-confirmed by an official modern source.
Petey Piranha is a recurring boss character in the long Mario series and appears as a mini-boss in the regular Adventure. Petey is planned to appear in the stage, Mushroom Kingdom. He somewhat appears similar to how he did in Super Smash Bros. Brawl. This time, however, he does not imprison any princesses in cages. The way he attacks, among any other information is currently unknown.