Chikuku is a young boy from the Dorok Principalities. His full name is Luwa Chikuku Kulaballuka. He posesses telepathic abilities.
When Nausicaä arrives at the Temple of the Old Religion, she meets Chikuku. When Nausicaä leaves, Chikuku accompanies her. Chikuku telepathically communicates with Nausicaä and translates between Charuka and Nausicaä.