Setsuna F. Seiei is the main protagonist of the story in Mobile Suit Gundam 00. He is a Gundam Meister of the paramilitary organization Celestial Being. This character is popular among cosplayers. It can be portrayed by wearing cosplay Setsuna F. Seiei costume and cosplay Setsuna F. Seiei wig. This character is always present in a Mobile Suit Gundam 00 cosplay.