dementors you silly Muggle!! ;)
Harry Potters potronus is a Stag.Answer: nothing. For Patronus see the attached link.
In the world of Harry Potter, your patronus can change to the patronus of someone that you fall in love with. Snape was in love with Lily Potter, this is significant because it shows how much he loved her.
Harry's patronus was always a stag.
No, her patronus is an otter.
Her patronus is a swan.
It's Luna Lovegood, she has the hare patronus.
Not sure what you mean with "charictors"; check the spelling. Harry's patronus is a stag, i.e., a male deer.
A Stag. This was his fathers patronus and animagus form while his mother's was a doe.
it was Snape's patronus
Yes, there is. Although, nobody in the Harry Potter series is known to have a dolphin patronus.
The Patronus that led Harry to the sword was Snape's Patronus.
Yes it is.