User blog comment:Ghido/The Most Forgotten Kaiju/@comment-1030114-20141204171623/@comment-3367060-20141206182455

大ダコ

So, apparently the "Dai" can also be read as "Oo," but they're really the exact same thing which makes me wonder why they're even separate readings or whatever, so, I'm just gonna pretend 'Daidako' is the official Japanese name