He is very mean.
SPOILER ALERT!
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He is mean especially to Harry because he is Lily and James' son. Snape was (and always will be) in love with Lily. But after she met James she did not love Snape anymore. He is mean and bitter because his heart is broken.
Severus. I know a song Snape Snape Severus Snape! Found it online
No, he is not an Animagus, if that is what you mean.
No, Severus Snape died and never married.
Severus Snape
Tobias Snape is Severus Snape's father.
Snape Snape Severus Snape.
No. Severus Snape is a fictional character.
Severus Snape teaches Potions class.
Severus Snape never has the Elder wand, nor was he ever its master.
No. Lord Voldemort killed Severus Snape's true love.
The wand of Severus Snape is of unknown length, wood and core materials.
I believe you mean Snape, as in Severus Snape. Yes, he was good. Harry finds it out after Snape's death in Deathly Hallows.