You can't play Batman in a serious, square-jawed, straight-ahead way without giving the audience the sense that there's something behind that mask waiting to get out, that he's a little crazed; he's strange.
William West Anderson (September 19, 1928 – June 9, 2017), known professionally as Adam West, was an American actor, known primarily for his role as Batman in the 1960s ABC series of the same name and its 1966 theatrical feature film.