He's notorious pirate from South Blue and the captain of the Kid Pirates,Kid lost one of his arms in a confrontation against one of the Four Emperors, Shanks and replaced with a metal arm,Eustass Kid comes off as a rude, vicious and bloodthirsty pirate,Kid is bold, cocky and fearless, known to run into danger regardless of the consequences,Kid is overall highly temperamental and has little patience with anyone getting in his way, he is easily frustrated as well ,he's hotheaded.