Coco Jumbo

Coco Jumbo is a small land turtle, and his defining trait is a keyhole shaped into the top of his shell, where a special key can be inserted to open the way into his Stand. Prosciutto remarks that his coloring is notably dark.

As an animal Stand user, Coco Jumbo shows no discernible personality or unusual intelligence. Like any turtle he favors tucking himself into cramped, shadowy spaces, and even with a battle raging around him he stays wholly unbothered and simply idles. That changes only at the close of Vento Aureo, when his body becomes permanently bound to Polnareff's soul, at which point he takes on Polnareff's personality and gains the ability to speak with people.

Little is recorded about the turtle's origins, though it is presumed Diavolo used the Bow and Arrow on him to grant his current power. Placing a special key into the hole on his back opens access to a compact room concealed within his body. He first appears idling in Naples' train station, where Bucciarati initially pays him no mind while hunting for a lock matching a key he had recovered, until he spots the keyhole in the shell and grasps what it means. From then on Coco Jumbo functions as a traveling room for Team Bucciarati across Italy, letting them stow away on various forms of transport and sheltering any wounded member. He proves crucial in saving Bucciarati and Trish Una during their first brush with Diavolo: Giorno takes DNA from the turtle and shapes it into a ladybug brooch as a tracking device, and when he senses trouble the instant Diavolo destroys Bucciarati's phone, he turns the brooch back into a duplicate that swallows the boss and buys time for an escape. Later, amid Chariot Requiem's scrambling of souls, Coco Jumbo's spirit is moved into Polnareff's badly injured body and dies, after which Polnareff comes to reside permanently in the turtle's form, his soul lingering within Mr. President as a ghost.