Nobuaki Mineo (峯尾 信昭, みねお のぶあき lit. Mineo Nobuaki) is a boy with chuunibyou syndrome, calling himself Alphonse Calcifer Raiden (アルフォンス カルシファー 雷電). He met Shun when he was a sophomore at the time when Shun was in his initial stage of chuunibyou, Mineo gave way on his creation of his alterego Jet-BlackWings . He felt great shame when Shun, who was called to speak for him in the graduation, recalled their good times as chuunibyou fighting for the world.
Mineo Nobuaki full name and character profile was found in the character guidebook.