The fastest man alive is Barry Allen right well nope. you might be wondering who is then we'll it's Sebastian Smythe. You see Barry's real name is Sebastian Smythe. But changed it so he can escape the evil but when he got his Speed in highschool by being struck by lightning. you have to read the story before I exposed this more. (And Barry/Sebastian is actually gay, Playboy Rich slut. And never had feelings for Blaine.) Anyways tootles And enjoy the book.