Voldemort

Tom Marvolo Riddle, changed his name to Lord Voldemort as he didn't want to carry his muggle father's name. In the novel, Voldemort is described as "the most powerful Dark Wizard who has ever lived". After leaving Hogwarts, he requested the Defense Against Dark Arts teacher job. His request was denied. He had "friends" and followers known as Death Eaters. Nobody in the wizarding world daresay his name and called him "You-Know-Who" or "He-Who-Must-Not-Be-Named", not even the Death Eaters, who called him by the name of "the Dark Lord". He heard a prophecy that said that a boy who was born in the end of July would have the power to defeat him. The night he killed Harry's parents and tried to murder Harry, he made the seventh horcrux, without meaning to. The bit of soul that was left in his body, went to Harry's and that's why he can speak Parseltongue. In the fourth book, he recovers his body with the help of Peter Pettigrew. In Harry Potter and the Order of the Phoenix, he fights Albus Dumbledore in the Ministry of Magic and he later posesses Harry. Harry fights back Tom Riddle's soul by saying that he is completely unable to comprehend the idea of love or affection. In the sixth book, he assigns Draco Malfoy the task of murdering Albus Dumbledore. Finally, in the last book, he disposes of the Minister for Magic and replaces him with his own puppet ruler, Pius Thicknesse, he has Muggle-borns persecuted and arrested for "stealing magic" from the "pure blood" wizards. He goes on a search for the Elder Wand. He tracks down Gregorovitch and kills him. Then he goes to Nurmengard, Grindelwald's prison, where he finds him and murders him. He steals the Elder Wand from Dumbledore's tomb and finds out that Harry and his friends are hunting his horcruxes. Voldemort ends up killing Snape believing it would make him the true master of the Elder Wand. He then declares battle to Hogwarts. He gives Harry Potter one hour to give up. Harry willingly walks to where Voldemort is. Potter is striked down by the Elder Wand. , the use of Harry's blood to resurrect Voldemort's body proves to be a major setback: while Harry's blood runs in Voldemort's veins, Harry cannot be killed as his mother's protection lives on now in Voldemort too. The part of the soul that resides in Harry is destroyed. Tom Riddle forces Hagrid to carry Harry's body back to the castle as a trophy, causing another battle. Harry reveals in the middle of the battle and explains to Voldemort that Draco Malfoy became the true master of the Elder Wand when he disarmed Dumbledore. Harry, won the wand's allegiance when he took Draco's wand. Refusing to believe this, Voldemort casts the Killing Curse with the Elder Wand while Harry uses a Disarming Charm with Draco's, but the Elder Wand refuses to kill its master and the spell rebounds on Voldemort, who, in the absence of his remaining Horcruxes, is totally annihilated.