Ridley
Ridley is a large, dragon-like alien and a character and the main villain in the Metroid series of games. In Super Smash Bros., Ridley can occasionally be seen flying in the background of the Planet Zebes arena.
Ridley also makes a brief appearance in the opening cinematic of Super Smash Bros. Melee, where he can be seen battling his archenemy, Samus Aran. A trophy of Ridley can also be obtained in Super Smash Bros. Melee. A remix of Ridley's theme music from various Metroid series games has been confirmed as being used in Super Smash Bros. Brawl.
Ridley is a boss character in Super Smash Bros. Brawl. He appears fighting with Pikachu and Samus in the Subspace Emissary.
Not much is know about Ridley in brawl.
Trophy Description
The head of the Space Pirates on Zebes, Ridley soars through space on wicked wings. Ridley may look like a mindless monster, but he's actually quite intelligent. After the SR-388 incident, where Samus captured the infant Metroid, Ridley took the Space Academy by storm, annihilating the complex and taking the Metroid back.