Metronome is very quiet, and is startled by loud noises easily, thus making him a bit uncomfortable near objects like Taffy. He's more of a loner, but he still is friendly if interacted with. It's still is pretty hard to become more than an acquaintance with him though.

• Metro has fangs for some reason. He uses these as a defense for if he is threatened.
• Metro's needle is like his heart. If it stops, all development and body systems immediately shut down and he is left in a death-like state. Starting his needle again will reanimate him.
• The needle also controls his energy. If it is moving fast, he moves fast as well. If it moves slow, he becomes slower.
• His needle also impairs his vision a bit, due to it swinging in front of him. He runs into things often.
• He seems to fear Sheet Music greatly, but never admits it.
• Speaking of Sheet Music, he is normally within a 1-mile radius of her