terada tera, mad mew mew, mettaton, mettaton (box), napstablook, undertale, utdr (toby fox), merchandise available, official art, 1boy, 1girl, 1other, ahoge, animal ears, bell, bell ear ornament, cat ears, cat girl, cat tail, computer keyboard, cup, disco ball, drinking glass, food, ghost, gold bell, hair bell, hair ornament, heart, heart locket, heart necklace, heart pendant, holding, holding microphone, jewelry, microphone, microphone stand, necklace, pink frills, pink hair, sandwich, solo focus, spotlight, tail, trait connection, wine glass