Controversial What is the real spelling?

[BoaHancocksHusband]

Ryou
Ryuo
Ryuou
Ryouo
Ryuuo

lost an argument cuz I said Ryuou instead of Ryuo. Who is right?

 

[Kiiro]

It doesnt matter

 

[Warchief Sanji D Goat]

Byoga.

 

[Krusher1357]

Root byouga will be summoned in 35 seconds

 

[Cruxroux]

流 (ryū) = flow, current, stream
竜 / 龍 (ryū) = dragon

In english it doesn't matter lol