Kingdom Sonic 358/2 Days: Shadows of the Heart

Summary
After he became a Heartless, Sonic still had some humanity. But when you become a Heartless ,a Nobody is formed. Shadow joins the Organization, and alongside his best friend Omega, he meets Rouge, an odd Nobody. Along the way, his origins are revealed, and he learns what Rouge's purpose is.

Characters

 * Organization XII: A group of thirteen, now fourteen, Nobodies that dream of becoming whole by using Kingdom Hearts. Half of them are at Castle Oblivion, and the rest are stationed in various Worlds. The WTNW Branch is led by Mephiles, and their second in command is Nazo. The Oblivion Branch is led by Baron Black, and the second-in-command there is Omega.
 * 'Mephiles: The Superior The Nobody of Mephiles the Dark, he is the leader and controls Darkness, and as such he is No. 1. Parody of Xemnas.
 * Fang: Sniper A marksman, he is rude and curt. He is uncaring most of the time, and is ranked as No. 2. Parody of Xigbar.
 * Zant: The Devil's Dealer A creature known as a Twili, he lives in the Twilight Realm and can summon Twilight Beasts. N. 3. Parody of Xaldin.
 * Kilobyte: Machine Menace A robotic creature that loves experimenting, he is from a World where Power Rangers defend the peace. He was assigned to Castle Oblivion. No. 4. Parody of Vexen.
 * Kamen Rider Taiga: The Would-Be Hero' A "Kamen Rider" that thinks he is a true hero, but is misguided. He, alongside Darkrai and Kilobyte, was assigned to Castle Oblivion. No. 5. Parody of Lexaeus.
 * Darkrai: Nightmare King A Pokemon from the Sinnoh Region, he feeds off of nightmares, and can give people nightmares, or bring them to life. As No. 6, he and Taiga help Kilobyte with his experiments.
 * Nazo: Lunar Mystery An odd silver Hedgehog that gains power from the moon. As No. 7, he is the second in command. Parody of Saix.
 * Omega: Gatling Gun-Fury A robot with gatling guns in his arms, he is friends with Shadow and Rouge, but was assigned to Castle Oblivion. He is No. 8. Parody of Axel.
 * Musica: Seductive Serenader An alien woman with a shamisen she is connected to. She is No. 9. Parody of Demyx.
 * Teridax: Evil Incarnate An evil Bionicle creature ran out of his country after an evil entity almost killed him. He is No. 10, and a parody of Luxord.
 * Baron Black: A mage from The Shadowlands, which he banished into darkness and nothingness after he became a member of the Organization. He rules Castle Oblivion, and is ranked as No. 11. Parody of Marluxia.
 * Shade: Twilight Assassin An Echidna assassin, she helps Omega and Baron Black rule Castle Oblivion. As No. 12, she is a parody of Larxene.
 * Shadow: The Keyblade's Chosen One The Nobody of Sonic, he wields the Keyblades Oathkeeper and Oblivion. He is No. 13, and a parody of Roxas.
 * Rouge: Nobody An odd Nobody that wields the Blue Vortex, like Sonic did. She is No. 14, and as such, she is the parody of Xion.


 * Knuckles: An Echidna that works with a masked man, he wears an odd blindfold, and is working towards finding Sonic. Wields the Soul Eater and wears the Organization's cloak.


 * 'Sonic: He is a big part of the story, but he is currently asleep, thanks to Petal the Hedgehog. Wields the Keyblade.
 * Silver: Sonic's magic teacher, he is wise and is highly respected by the King.
 * Manic: Sonic's usual sparring partner, he is fast and strong.
 * Marine: An apprentice to Sonic, she is asleep as well. Can summon energy blasts.