They are in the Harry Potter books. If they were to appear in any other published novel it would be a violation of copyright.
The main characters are Harry Potter, Hermione Granger, and Ronald Weasley. There are other characters that play a significant role, such as Draco Malfoy, Neville Longbottom, and Severus Snape, but the main characters in the book, as well as the rest of the story, are Harry, Hermione, and Ron. Harry Potter, Ron Weasley, Hermione Granger, Albus Dumbledore and Lord Voldemort are the main character in all Harry Potter books.
Hermione Granger's parents are dentists in Muggle London.
From an interview, not from the books.
All of them
The main characters are Harry Potter, Ron Weasley, Hermione Granger, Albus Dumbledore and Lord Voldemort. Other important characters include: Severus Snape, Ginny Weasley, Neville Longbottom, Draco Malfoy, Minevra McGonagall, Bellatrix Lestrange, Remus Lupin and Sirius Black.
Hermione Granger
Hermione Granger.
If you mean class form then: Hogwarts does not have these. It is simply houses and year groups. Harry is in Gryffindor with the rest of those in his house and same year. There is around 10 of them: Harry Potter, Ron Wealsey, Neville Longbottom, Dean Thomas, Seamus Finnigan, Hermione Granger, Lavendar Brown, Parvati Patil (and Padma Patil in the movies but not books).
Hermione never says trick or treat in either the books or movies.
The major protagonists in the Harry Potter books are Harry Potter and his best friends Ronald Weasley and Hermione Granger. Other protagonists include fellow schoolmates such as Neville Longbottom, Ginny Weasley and later also Luna Lovegood. Also staff members such as Albus Dumbledore and Minerva McGonagall are obvious protagonists.
Name for the practice of illustrating a book with engravings collected from other books.
Hermione Granger loves learning things. In her free time, she will read books on new topics that interest her, particularly history and topics not always taught in schools.