Harry Potter

A boy who learns on his eleventh birthday that he is the orphaned son of two powerful wizards and possesses unique magical powers of his own. He is summoned from his life as an unwanted child to become a student at Hogwarts, an English boarding school for wizards. There, he meets several friends who become his closest allies and help him discover the truth about his parents' mysterious deaths.

Harry Potter

Harry James Potter (b. 31 July 1980) was an English half-blood wizard, and one of the most famous wizards of modern times. The only child and son of James and Lily Potter (née Evans), Harry's birth was overshadowed by a prophecy, naming either himself or Neville Longbottom as the one with the power to vanquish Lord Voldemort, the most powerful and feared Dark Wizard in the world.

Hermione Granger

Minister Hermione Jean Granger (b. 19 September 1979) was an English Muggle-born witch born to Mr and Mrs Granger. At the age of eleven, she learned about her magical nature and was accepted into Hogwarts School of Witchcraft and Wizardry. Hermione began attending Hogwarts in 1991 and was Sorted into Gryffindor House.

Ronald Weasley

Ronald Bilius "Ron" Weasley (b. 1 March 1980) was an English pure-blood wizard, the sixth and youngest son of Arthur and Molly Weasley (née Prewett). He was also the younger brother of Bill, Charlie, Percy, Fred, George, and the elder brother of Ginny. Ron and his siblings lived at the The Burrow, on the outskirts of Ottery St Catchpole, Devon.

Voldemort

Tom Marvolo Riddle (31 December 1926 - 2 May 1998), later known as Lord Voldemort or, alternatively as You-Know-Who, the Dark Lord, or He-Who-Must-Not-Be-Named was an English half-blood wizard considered to have been the most powerful and dangerous Dark Wizard of all time. He was amongst the greatest wizards to have ever lived, often considered more powerful or equal to Albus Dumbledore

Snape

Professor Severus Snape (9 January, 1960 - 2 May, 1998 was an English half-blood wizard serving as Potions Master (1981-1996), Head of Slytherin House (1981-1997), Defence Against the Dark Arts professor (1996-1997), and Headmaster (1997-1998) of the Hogwarts School of Witchcraft and Wizardry as well as a member of the Order of the Phoenix and a Death Eater. His double life played an extremely important role in both of the Wizarding Wars against Voldemort.

Dumbledore

Professor Albus Percival Wulfric Brian Dumbledore, was an English half-blood wizard. He was the Defence Against the Dark Arts Professor, later the Transfiguration Professor, and later the Headmaster of Hogwarts School of Witchcraft and Wizardry. He also served as Supreme Mugwump of the International Confederation of Wizards (?–1995) and Chief Warlock of the Wizengamot (?–1995; 1996–1997). A Muggle-supporting wizard, though the complete opposite in his earlier years, he was considered to have been the greatest wizard of modern times, perhaps of all time.

Hagrid

Professor Rubeus Hagrid (b. 6 December 1928) was an English half-giant wizard, son of Mr Hagrid and the giantess Fridwulfa, and elder half-brother of the giant Grawp. Hagrid stood at eleven feet, six inches tall. Hagrid attended Hogwarts School of Witchcraft and Wizardry in 1940 and was sorted into Gryffindor house. In Hagrid's third year, he was framed by Tom Riddle for the crime of opening the Chamber of Secrets and using his pet Acromantula to attack several Muggle-born students and eventually killing one of them.

Dobby

Dobby (28 June (year unknown) – March 1998) was a male house-elf who served the Malfoy family. His masters were Dark Wizards who treated him cruelly. In 1992, he disobeyed his masters and tried to warn Harry Potter of the plot to have the Chamber of Secrets reopened. He came to know this via the contact between his masters and Lord Voldemort.