You should have some money to put in on the first place.
Griphook is the goblin who escorts Harry and Hagrid to the underground vaults in book 1, Harry Potter and the Philosopher's Stone (Harry Potter and the Sorcerer's Stone in the US and in the films). He also appears in book 7, Harry Potter and the Deathly Hallows, where he is involved in getting Harry back into the Gringotts Wizarding Bank vaults.
Harry Potter's children are James Sirius Potter and Albus Severus Potter. Does this answer your question?
No, but there is a charlie weasly in the Harry potter series, but that's it.
You cannot contact anyone about being in a Harry Potter film. They are all complete with filming.
Hagrid
Yes.
no
No, the British actor Michael Caine has never appeared in a Harry Potter film through Deathly Hallows Part I.
Yes, it is possible to create your own characters on Lego Harry Potter.
Harry Potter books? No. Harry Potter Fanfiction? Heck yes. Fanfiction is basically the fans' way to write stories about HP, and some of them are as long as books.
Hevens no. if they showed up they would be trampled with paparazzi and fans. it would not be safe for anyone
Yes. Yes.