Ridley (Metroid)
Often considered one of the most memorable Nintendo villains, Ridley has been a mainstay of the series, having appeared (through various incarnations) in almost every "Metroid" game to date (all but "", "Metroid Prime Hunters" and ""). He has also appeared in the "Super Smash Bros." series, however, he had not been made a playable character until "Super Smash Bros. Ultimate" in 2018, making it also the first game overall to have Ridley as a playable character.
List of Mega Man characters
The X-Hunters, known as the in Japan, are a group of three Mavericks who are formed to counter the Maverick Hunters and tasked to destroy X, and are the main antagonists of "Mega Man X2". The members of the group are , the muscle and enforcer, Serges ( in Japan), the brains and scientist, and , the speed and military strategist. They are among the few remaining followers in the Maverick rebellion and led a rebellion of their own after Sigma's death and took over the North Pole. They were also in possession of Zero's parts, which apart of their Unification Plan to rebuilt Zero as a Maverick, and they challenge X in a dual for the parts after some of their Mavericks were defeated. Each member is found in a secret area of a stage and will move to another stage. After X beat each of the X Hunters, he recovered all three parts and has a final battle with them at their lair. One by one, all of the X Hunters were destroyed and eventually X confronts a newly revived Sigma.