It depends on your believes. No one can really prove that he's real; you have to make that conclusion yourself.
Odin isn't real
Two ravens were the messenger and "eyes" for Odin. They told him of the events in the real world.
No, sadly dragons are not real. (Only in fictional stories, they are real.)
Odin does not hate Thor, Thor is the son of Odin.
See 'What powers does Odin have?'
Odin was married to Frigg.
The Son of Odin was created in 1986-06.
The Odin Community Branch Library is located in Odin, Minnesota, USA. It is situated at 322 Julian Street in the city.
No, Odin is Thor's father.
Vili and Ve are Odin's brothers.
Odin and Jord.
He died in a dungeon. He had been captured by the Necromancer.