Organization XIII member #13 Roxas

Known as Key of Destiny. Roxas is Sora's nobody and the only member of Organization XIII that hasn't died. He uses the light element and hold the Oathkeeper Keyblade & the Oblivion Keyblade. Instead of dieing, Roxas merged back with Sora to make him whole again. Roxas' story in the Organization will be revealed in Kingdom Hearts 358/2. He is a boss in Kingdom Hearts 2 Final Mix for the event where Sora & Roxas fought each other. As you already know, Roxas' oringinal self is Sora.

Organization XIII member #12 Larxene

Known as the Savage Nymph. Larxene entices Sora to believe the false memories Naminé implanted in his mind, but later mocks Sora for "chaining" himself to false memories of Naminé and the "promise" he made to her. Larxene like nothing more than to hurt others, but her days of hurting others ended when Sora killed her. Larxene uses the thunder element and has knives between her fingers to use as her weapons. Larxene is a bnus boss in Kingdom Hearts 2 Final Mix.

Organization XIII member #11 Marluxia

Known as the Graceful Assassin. Marluxia used Naminé to change Sora's memories to try and bend him to his will, so he can take over the Organization. After he and Sora came face to face, he orders Naminé to erase all of Sora's memories to cause his heart to collapse. Naminé refused to do so since Sora forgave her on changing his memories. Sora then fights Marluxia, only to later realize he's been fighting a fake. Sora then finds the real Marluxia (who is known as Marluxia Reduxs the Chain of Memories game for the GBA) and kills him. Marluxia uses the flower element and wields a scythe for his weapon. Marluxia is bonus boss in Kingdom Hearts 2 Final Mix.

Organization XIII member #10 Luxord

Known as Gambler of Fate. Luxord first apeared in Port Royal and stole the chest containing the Aztec gold, which cause undead pirates to appear. He then threw four pieces away to put the curse upon a heartless, which then the heartless then cursed Jack Sparrow. After returning all the pieces to the chest and destroying the heartless to end Jack's curse. Luxord left the world. Sora met Luxord again in the Organization's home world, and defeated him. Enraged, Luxord called Sora Roxas right before he died. Luxord uses the time element and uses playing cards in battle.

Organization XIII member #09 Demyx

Known as the Melodious Nocturne. Demyx called Sora Roxas when he first met him, and was a bit of a coward after their first fight. Demyx was ordered to use aggression to liberate [Sora's] true disposition, but said during his first encounter with Sora "they sent the wrong guy for this". He called Sora a traitor after their second encounter, but was killed after their battle. Demyx uses the water element and holds a sitar as his weapon.

Organization XIII member #08 Axel

Known as the Flurry of Dancing Flames, he uses the fire element and holds two chakrams as his weapons. Axel was double agent for the Organization to spy on Marluxia & Larxene, who discovered on trying to take over the Organization. Later on, Axel tried to save Roxas from the virtual Twilight Town, but failed to do so. Axel then kidnapped Kairi to bait Sora, but lost her when she was taken by Saïx. Axel warned Sora of the Organization using him to get hearts, and apologises for getting Kairi involved. Axel then latter helped Sora fight in the path way to the World That Never Was, and died by performing a suicide attack. After the attack, he told Sora before he died that he kidnapped Kairi because he wanted to see Roxas. Since Roxas was his best friend, being with him made him feel like he had a heart (even though all nobodies have no hearts) and also said that Sora made him feel the same way. After that, Axel faded away. Axel's original self was Lea.

Organization XIII member #07 Saïx

Known as the Luna Diviner. Saïx took Kairi in hopes of geting Sora to continue destroying heartless' till Kingdom Hearts had appeared, this plan was however ruined by the cause of Naminé. Saïx decide to stop the two from leaving, but was forced to flee by the appearance of Riku. After Kingdom Hearts was complete, Saïx then when to destroy Sora and his friends by orders of Xemnas. He called Sora Roxas before the battle, enraging Sora by calling him by his nobodies name. He was then killed in battle by Sora, and tried to beg Kingdom Hearts to give his heart back. Saïx's original self was Isa.

Organization XIII member #06 Zexion

Known as the Cloaked Schemer. Zexion was working with Lexaeus on trying to take control of Riku while the other members of the Organization were trying to control Sora. He used his illusion element to make himself look like Sora with the Keyblade to trick Riku. However, Riku was able to foil Zexion's planes. After fleeing from Riku, Zexion was then killed by the Riku Replica. Zexion is a bonus boss in Kingdom Hearts 2 Final Mix, where he uses his lexicon weapon in battle. Zexion's original self was Ienzo.

Organization XIII member #05 Lexaeus

Known as the Silent Hero. Lexaeus tried to take control of Riku heart, but was killed by him. With his last strength, he tried to trap Riku in Darkness. Luckily for Riku, King Mickey was there to help him get out. He uses earth element and battles with a Tomahawk. Lexeus is one of the bonus bosses in Kingdom Hearts 2 Final Mix. Lexeus' original self was Aeleus.

Organization XIII member #04 Vexen

Known as the Chilly Academic. Vexen was the first Organization XIII member Riku fought. After his battle, Vexen created a replica of Riku. After the Riku Replica's test battle with the real Riku, Larxene thought of change the replica's memories to that of the real Riku, which showed how the replica though he knew Sora. Vexen later faced Sora in combat, but was killed by Axel after he lost. Vexen uses the Ice element and fights with his shield. Vexen is also a bonus boss in Kingdom Hearts 2 Final Mix. Vexen's original self was Even.