While the wonderful world and compelling characters of My Hero Academia are what played the biggest part in surging it into mainstream popularity, another crucial factor is the designs. Author Kohei Hirokoshi is undoubtedly one of the best in the business when it comes to creating fun and vibrant appearances for his characters, but he's also clearly got a knack for conjuring up some designs which are a little more eerie and terrifying as a way to emphasize a character's underlying powers or evil ambitions.