Kawahira (川平, Kawahira) is a character who is mentioned to be a frequent customer of the ramen shop where Future I-Pin works. Future I-Pin is usually caught delivering his ramen when the Ten-Year Bazooka goes off, leaving Kawahira's ramen with soggy noodles. Kawahira's alter ego, Checker Face (チェッカーフェイス, Chekkāfeisū), is the one responsible for bringing all Arcobaleno generations together and is the one behind the curse on their bodies. He is also responsible for all the Vindice's mangled bodies.