No NenAU, aged up Killua Zoldyck. Initially, Killua is introduced as a character who seems similar to Gon; cheeky, cheerful, and full of mischievous ideas. He is also one of the most quick-thinking characters in the series. He is confident in his own abilities, often being humble about it. Despite his calm demeanor, Killua is incredibly loyal to his friends, and willing to put everything at risk to make sure they stay safe, even if it costs him his life.