Chikusa Kakimoto

Chikusa Kakimoto is referred to as Kakipi by Ken and M.M. He seems to love taking showers and staying clean and often tells Ken to take one himself. He wears a green Kokuyo Middle uniform, glasses, and a white beanie with a barcode on his left cheek and a bandage on his right. But, that belies his real talent as a professional assassin, using his deadly "Hedgehog" yo-yo's to spray his opponents with poisoned needles. He is also able to expertly control where he throws his Weapons to accurately shower his opponent with them. Unlike Ken, Chikusa rarely speaks and is mostly quiet. He talks only if necessary; though, he is often shown to argue with Ken.

Like Ken, he also cares for Chrome, but never shows this openly and sometimes "teases" Ken, who always denies his feelings of concern for Chrome. He has been Mukuro's subordinate since childhood along with Ken and is extremely loyal to him. He will follow any of Mukuro's orders and is willing to sacrifice his life for him.