A Tachikoma is a fictional artificial intelligence, walker/roller in the Ghost in the Shell universe; appearing in the manga, created by Masamune Shirow, and the Stand Alone Complex sub-universe. Nine of them are assigned to Section 9's use originally. They are spider like multi-legged combat vehicles, equipped with artificial intelligence. The spider design appears in other places in Shirow's work, like the Appleseed manga. Shirow is noted to keep numerous spiders as pets.