Lady Deathstrike left a lasting impression in X-Men: The Animated Series, taking center stage as the main villain in a compelling two-part episode.
Apocalypse's comeback was hinted at in X-Men '97, specifically in episode 5 titled "Remember It."
In X-Men: The Animated Series, Colossus left a strong impression in two memorable episodes.
Omega Red, the formidable villain, took center stage in two memorable episodes of X-Men: The Animated Series, solidifying his status as one of the series' most powerful villains.
In X-Men: The Animated Series, Mystique intrigued audiences in 10 episodes with her mysterious nature.
Longshot had memorable roles in two episodes of X-Men: The Animated Series, with the villainous Mojo as the main enemy in both.
Illyana Rasputin, also known as Magik, had memorable moments in X-Men: The Animated Series.
Sabretooth was a formidable presence in X-Men: The Animated Series, playing key roles in pivotal storylines such as Wolverine's mysterious past and the emergence of the Friends of Humanity.
In the X-Men: The Animated Series, Juggernaut is portrayed as a powerful adversary, appearing as the main villain in two memorable episodes based on classic X-Men comics.
In X-Men: The Animated Series, Shadow King, a powerful psychic entity, made eerie appearances in two notable episodes.