Neil Blair, founder of literary and entertainment agency The Blair Partnership, has signaled his confidence in the Paramount – Warner Bros . merger, telling Variety he believes it will continue to “honor the legacy” of “ Harry Potter .” “Harry Potter” creator J.K. Rowling, who is one The Blair Partnership’s best-known clients, has enjoyed a decades-long relationship with Warner Bros., encompassing numerous screen adaptations of her books as well as video games, licensing, merchandise and theme