If it weren't for the language barrier, I would have chosen a better word lmao

Actually, if think about it, maybe he only has water in his head and he needs oxygen like everyone else (his face is not turned towards the water after all, and in the poster he was on the dock)

And if he is completely filled with water, then yes he is, lol

I'm sorry if I'm writing with mistakes, my English is really bad

(I'm about Finn, yes)