User blog comment:Chartic/Caribou for Shichibukai?/@comment-5962458-20131204144437/@comment-5623290-20131211044913

Oh wow, I didn't even realize that! Interesting...

Though, personally I would not group together, since they aren't in English? I can't think of any English Bird names aside from Robin though, drawing a blank. BUT, that definitely changes the theory, haha