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.
Moon Knight
While Moon Knight fights villains of other heroes such as Bullseye and Taskmaster, he has also accumulated his own rogues gallery. Moon Knight's enemies include:Moon Knight was ranked by "Wizard" magazine as the 149th greatest comic book character of all time. IGN also listed Moon Knight as the 89th greatest comic book character stating that the Moon Knight is more or less the concept of what would happen if the Batman were to suffer a multiple personality disorder, and as #49 on their list of the "Top 50 Avengers".