Udin, a creation of Kureiji Ollie from Hololive, is a lively and charismatic zombie idol who captivates audiences with his upbeat personality. Despite being a zombie, he is filled with an infectious energy and a penchant for fun. He loves to entertain through music and gaming, often engaging with his fans in unique and playful ways. His mischievous antics and desire to share joy make him a standout character in the Hololive universe, where he embraces his undead identity while striving to be the best idol he can be.