Mephiles the Dark

Mephiles the Dark is the main antagonist of the Freedom Fighters NEO series. His role is obscure, seemingly being the one that caused all the bad events that ever occurred (Mario and Bowser's war, the Xorda attacks, the war between monsters and humans, the events at Joey Drew Studios, Gerald Robotnik's deal with the Black Arms that started a chain reaction which included the incident at Circus Baby's Pizza World, the Bites of '95 and '99 and the Missing Children Incident, and all three Robotnik Wars), but when he finally appears, he has a role similar to Thanos from the Marvel Cinematic Universe.

Trivia

 * Almost everything is Mephiles' fault.
 * Mephiles mostly lost because of Metallix, his Brotherhood, and, up to the Shadow Freddy Saga, Blackrabbit tampering with reality.
 * Out of them, only Metallix and the Brotherhood of Metallix were aware that the various dimensions from the multiverse are created by some people on their computer.
 * Furthermore, Metallix is the only one who already knew about Mephiles' existence, referring to him as "the one pulling the strings". This explains his attempt to become a god in the Mecha Sonic Saga.