Though he has not yet been seen to speak, he has demonstrated the ability to whistle and seems to enjoy music, and owns an old phonograph (on which he plays the song which inspired the film's namesake whilst dissecting his victims).
Though he has not yet been seen to speak, he has demonstrated the ability to whistle and a proficiency in group theory, having published three widely recognized papers in a mere 20 days. He seems to enjoy music, and owns an old phonograph (on which he plays the song which inspired the film's namesake whilst dissecting his victims).