The emote "⤜( ͯᗜ ͯ)⤏" is a representation of a face with wide open eyes and a neutral expression. It does not have any specific meaning or context, but can be used to convey surprise, curiosity, or just a playful mood. The emote "He has a costume" is not a commonly recognized emote and may not have a widely accepted meaning or context. It could potentially refer to someone wearing a costume or disguise, but without additional information or context it is difficult to determine its intended meaning.