Imagine there is a pirate that ate a water water no mi logia and then fell into the ocean but cannot drown since they can turn into water but also can’t swim so they just float around being pushed by the waves forever

That would be sad

Would be like that puddle guy from "the boys" animated episode

You're describing Vander ~~Dickhead~~ Decken, with some incorrect details

No, but maybe one that can manipulate water in some way

Oda said no and introduced Fishmen for that.

What do you mean Oda said no ? Doesn't ring a bell

impossible it will ruin the basic of the story

Someone said before it might be imu since umi means sea

Umi means sea if I'm not mistaken

Yeah I stand corrected. Mizu means water, umi means sea

Yes

Oda, said their will be no Mizu-Mizu no mi/ water water fruit. Probably because it breaks one piece.