Rubeus Hagrid’s (Robbie Coltrane) Dog lives in Hogwarts.
Companies Arthur and Ron Weasley when they went to see the Aragog.
Later on they take care of him when Hagrid was sent to Azkaban.
Based on a book by:
2nd in the movies series:
2001 Harry Potter and the Sorcerer’s Stone
2004 Harry Potter and the Prisoner of Azkaban
2005 Harry Potter and the Goblet of Fire
2007 Harry Potter and the Order of the Phoenix