Professor Flitwick.
It does not give the exact name of the charm. Probably it was a hovering charm or a levitating one. I think it consists a series of spells.
harry!
There is no scientific name for Harry Potter.
The third Harry Potter movie is called Harry Potter and the Prisoner of Azkaban.
Yes, Harry's full name is Harry James Potter.
Harry James Potter.
Harry James Potter
There is no character of that name in Harry Potter.
Harry James Potter
There is no special name for a celebration in Harry Potter.
The name of the court in Harry Potter is the Wizengamot
Harry Potter and the Deathly Hallows.