Albus Dumbledore did.
During one of his lessons with Dumbledore.
No, Harry Potter and Tom Riddle are not brothers. However, they are distant cousins, Voldemort (Tom Riddle) to the Gaunts and Harry to the Potters, which were related families at one time. Harry's got a part of Voldemort's soul attached to his own, as well.
Marvolo Gaunt was Voldemort's grandfather.
Marvolo Gaunt is the descendent of Salazar Slytherein
Marvolo Gaunt was a pure-blood wizard and descendant of Salazar Slytherin. He was the maternal grandfather of Tom Marvolo Riddle,
It is spelled Dumbledore.
tom marvolo riddle
Ariana Dumbledore.
Albus Dumbledore is male.
He is and always has been since he was one years old a Horcrux, do defeat voldemort he has to be dead before voldemort can be officially killed. Horcruxes: Nagini - Snake Helga Hufflepuffs cup Rowena Raeclaws diadem Salazar Slytherins pendant Marvolo Gaunts ring (resurrection stone (one of the deathly hallows)) Tom Riddles Diary Harry Potter
Harry Potter's arch enemy is Lord Voldemort. Voldemort's real name is Tom Marvolo Riddle.
Yes, Dumbledore is killed by Snape in Harry Potter and the Half-Blood Prince.