Rubeus Hagrid lives in a wooden hut (a stone hut in the films) which is situated next to the Forbidden Forest in the grounds of Hogwarts School of Witchcraft and Wizardry.
No, Albus Dumbledore doesn't smoke a pipe.
Aberforth Dumbledore is his full name. No middle name has ever been mentioned.
Albus Percival Wulfric Brian Dumbledore and his brother was called Aberforth Dumbledore He also had a sister called Ariana Dumbledore.
Albus Dumbledore is male.
Albus Dumbledore was a half-blood.