Piranha Plant is a downloadable content (DLC) character for Super Smash Bros. Ultimate, available exclusively on the Nintendo Switch platform. This character stands out as the only DLC not included in the Fighter Passes, making it a distinctive addition to the game's roster. Initially offered as a bonus, players who registered their game before January 31, 2019, received Piranha Plant for free, enhancing the value of early game registration.

Released on January 29, 2019, Piranha Plant became available for all game owners, providing players with a fun and unique gameplay experience. Following its free release, it was also made available for purchase starting February 1, 2019. As an action game character, Piranha Plant contributes to the diverse set of fighters in Super Smash Bros. Ultimate, appealing to both new and veteran players.