Troubled Blood, Harry Potter author J.K. Rowling's transphobia accusations have resurfaced again, but Robbie Coltrane, who plays Rubeus Hagrid in the Harry Potter films, came to her defense.In a review from The Telegraph, Rowling's latest novel under her pen name Robert Galbraith focuses on "a transvestite serial killer" (better described as "a murderous cis man who dresses a woman to kill his victims," by Pink News) The review says that the novel's main message appears to be "never trust a man in a dress."In June, Rowling came under fire for tweeting about an article that she said "erased" women. "If sex isn't real, there's no same-sex attraction.