Sora is the main character protaginist in the Kingdom Hearts series that lives on destiny island, he is torn away from his home when it is inveloped into darkness and winds up on a crazy adventure into which he helps Donald and Goofy save the world from the heartless while looking for his friends which he does, but is separated from them again In which after waking up from a year of sleep, he has to save the worlds again by stopping the new enemies called the nobodies which are apart of an organistion called organistation XIII which he has to defeat to save his friends.
Riku is one of Sora's main friends who lives on destiny island and one of the main antagonists, Riku is an arrogant teenager who is a bit older than Sora, that when given the opportunity, leaves the island on a path of darkness which is unknown to Sora until they have an epic fight that in the end they come together in. in the second game, we see him wandering around in the darkness, to When he escapes and plots to help Sora from afar until Kairi helps reunite them into which they save the day.
Kairi is one of Sora's main friends who lives on destiny island, Kairi is one of the princesses of heart and is kidnapped by her friend riku and maleficent in the first game but is ultimately saved by Sora, in the second game she is finds herself not being able to remember Sora, and also being captured by a hooded man who she escapes from only to find riku, her other lost friend and together they help Sora save the day
Mickey Mouse is the king of Disney castle and a keyblade master that is married to Queen minnie, in the first game Mickey is running around the worlds trying to stop the threat of the darkness and also trying to find his friend Aqua and its keyblade in the Darkness, but then he meets Riku who helps him close kingdom hearts, in the second game, he has managed to escape the darkness but without Riku, he then finds out about the threat of the nobodies and tries to stop them with the help of Sora and co.
Donald Duck is one King Mickey's best friends and best mage in the kingdom, he goes on a search with Goofy and ends up finding Sora, who he then joins in on an amazing adventure defeating heartless while trying to find the King and Sora's friends, in the end, the have to keep searching for after closing Kingdom Heart's door, but after some events, he wakes up with Sora and Goofy and has to defeat a new enemy called the Nobodies while also looking for the King.
Goofy is one of King Mickeys best friends and the knight captain of the kingdom, he goes on a search with Donald and ends up finding Sora, who he then joins in on an amazing adventure defeating heartless while trying to find the King and Sora's friends, in the end, the have to keep searching for after closing Kingdom Heart's door, but after some events, he wakes up with Sora and Donald and has to defeat a new enemy called the Nobodies while also looking for the King.
Ansem is the Main antagonist in the first Kingdom Hearts game, he is the heartless of Xehanort who is the main Antagonist in the whole game, in the game he is mainly trying to overtake Riku in his adventure through darkness and manages to overtake him which leads to the boss fight, his main goal is to open Kingdom Hearts and cloud the worlds with darkness
Maleficent is the Villian from sleeping Beauty as many know, her main goal is to collect heartless to defeat Sora and co while collecting the princesses of heart, who when gathered could open Kingdom Hearts but she was ultimately beaten by Sora, but she made a return in the 2nd game with her main goal of overtaking worlds with heartless and once again her plans would be dashed, but she is still a threat.
Xemnas is the main antagonist in the 2nd game, he is the Nobody of Xehanort and his main goal is to get a heart again and fufill himself by opening the real Kingdom Hearts all while preparing for the fight against the keys of light (Which is the good guys with keyblades), his fight with Sora and Riku is great but he is ultimately also defeated which leaves a path for Xehanort to be reborn.
Xehanort is a dark master of the keyblade and the main antagonist in the Kingdom Hearts series so far, he started the hunt to created the x-blade (Pronunced Key blade) and the person behind 3 keyblade weilders disapperance, he is thought to return in the 3rd game to finish the fight between the 7 lights and 13 darknesses (The good and Bad guys), He is the most powerful of most keyblade weilders and the main darkness.
The heartless are the most common enemy found in the kingdom heart franchise and come in many shapes and forms. According to the story, heartless are created from the darkness is peoples hearts, whether it be just from that or as a result of an experiment gone wrong which resulted in more heartless being created.
Nobodies are the Body and soul of a strong willed individual who lost their heart (Became a heartless). This enemy first appears in Kingdom Hearts II and is controlled by an organistation of nobodies trying to regain their hearts.
The unversed are the shadowy creatures that attack Terra,Aqua and ventus in Birth By sleep. These monsters were said to have been created as a result of Vanitas and were drawn to negativity.