Harry Potter will appear in the Harry Potter books. If he was to appear in any other published novel it would violate copyright.
Violet does not appear in the Harry Potter movies
The seventh, Harry Potter and the Deathly Hallows.
He is set to appear as Gellert Grindelwald in Harry Potter and the Deathly Hallows.
Celia Imrie does not appear in any of the Harry Potter films
Sirius Black appeared in the 3rd, 4th, and 5th Harry Potter movies (Harry Potter and the Prisoner of Azkaban, Harry Potter and the Goblet of Fire, and Harry Potter and the Order of the Phoenix).
No. Professor Quirrell died in Harry Potter and the Philosopher's Stone.
There are approximately 554 owl in all the books of harry potter
yes as an extra in harry potter and the half blood prince!
Victoria's parents are Bill and Fleur and it's Victoire (French)
Yes.
No as she will only appear in the epilogue of Harry Potter and the Deathly Hallows - No. Seven.