Who will be the next Harry Potter? Such a question was unthinkable to anyone who grew up in the late 1990s and early 2000s. The Harry Potter books, movies, merch, theme parks, and Halloween costumes, just to name a few, are among the highest-grossing media franchises of all time. Anyone from that era would’ve told you: “Harry Potter is Daniel Radcliffe.” Image via @gayrauder In the original film series, the young wizard Harry Potter is played by Daniel Radcliffe. His school friends were Emma Wa…