22 J.K. Rowling Facts That Prove She Is ACTUALLY a Magical Human

Robbie Coltrane, who played Hagrid (and was Rowling's first and only choice for the role), said that the book character was based on a Hell's Angel that J.K. Rowling knew in West Country [England]. "He was just huge and terrifying. And then he would sit down and talk about his garden and how his petunias had been very bad that year," Coltrane said.