The misty weather was being caused by the dementors.
Harry Potter is an English name. 'Harry' is the Middle English form of Henry 'Potter' a potter is a person who makes earthen vessels
James, after his father.
James Potter is the oldest, Albus Severus Potter is the middle child and Lily Potter is the youngest.
Yes, after his father James Potter.
Anthony
Yes it it is celebrated it many countries in Europe and the Middle East.
His middle name is James, for his father. It is mentioned in Harry Potter and the Order of the Phoenix during his trial at the Ministry of Magic. Harry also names his first born son James Sirius after his father & godfather.
Lily Potter nee Evans is Harry Potter's mother. Also Harry's daughter is named Lily Luna Potter
Regulus Arcturus Black
James Sirius Potter after Harry Potter's father and godfather. Lily Luna Potter after Harry Potter's mother and friend. They also have another child named Albus Severus Potter after the two bravest people Harry Potter ever knew: Albus Dumbledore and Severus Snape.
No because if your last name is potter and you want to call your son Harry then it is fine, and also depends on middle name
HARRY POTTER YOU DUMMY!!!!!