Jonathan Crane, also known as Scarecrow, is a fictional character and villain in DC Comics' Batman series. He is a former psychiatrist who specializes in fear and phobias, and he uses his expertise to create fear-inducing toxins and psychological tactics. Scarecrow typically appears as a foe of Batman in Gotham City, where his fear-based crimes challenge Batman's mental and physical prowess. Known for his terrifying methods, Scarecrow's character explores themes of fear and psychological manipulation, making him one of Batman's most intellectually threatening adversaries.