User blog comment:Xilinoc/Ch. 636 - Sensitive Monster/@comment-26057536-20150723090848/@comment-24384892-20150723152311

I can't believe you guys left out Mayuri. He probably lost an arm more times than any of the other characters (if you count the filler arcs). He can regenerate his arm with that serum of his, which only allows his arm to be lost again.