Age: 60 (at introduction) 62 (currently) Birthday: 5679 AD Kaseki is an elderly craftsman from the Ishigami Village and one of the most important members of the Kingdom of Science, responsible for creating many of their scientific inventions. Appearance: Kaseki is a bald and short old man with a large white beard. Despite initially seeming frail and weak, once excited, Kaseki tears his clothes off, revealing a muscular body.