Loudmouth (ラウドマウス, Raudomausu) is a human being and a pro hero who is currently employed by one of the seven hero organizations, the valiance federation. Loudmouth is observed as being an extremely valuable asset to the safety of human beings, due to the extremely useful nature of the supernatural powers he was born with, something which makes him one of the greatest and most effective heroes for supporting and providing power buffs to his fellow heroes, as one who specializes in boosting the strength of others, by way of his ability to continuously create and generate status effect powers and attacks, by using nothing more than simple vocal commands.