Ridley is a recurring antagonist from the Metroid series and appears as a boss character in the Super Smash Bros. (Dairantou Smash Bros.) franchise. He is a fearsome, dragon-like space pirate commander known for his intelligence, cruelty, and rivalry with Samus Aran. In Super Smash Bros. Ultimate, Ridley is a playable fighter, using his menacing claws, tail, and fire breath in battle. He plays the role of a formidable foe and a popular villain among fans, representing the Metroid series.