User blog comment:Xilinoc/Ch. 565 (Mangapanda is run by lazy barnacles)/@comment-1351982-20140122164702/@comment-1351982-20140122215008

No, ch does not exist in Hebrew. Think of it this way Hanukkah can also be spelled Chanukkah, but you still say it as HAN NA KA. I think this was simply a Romantization choice by Kubo, he just probably thought it looked cooler.