sora
But sora is cool tho
He defeated germa in the past on his own, at that time they didn't have raid suits or genetic modifications
So the OG sparkling red probably had the pica pica no mi
Poison pink had Magellan's df
Lightning blue Enel's fruit etc...
Plus his ressemblance and likelihood of having connections to sengoku makes him an interesting character
And the fact that he was known for walking on water, which is a technique sanji has (blue walk) is definitely setting up a parralel between the two
So drop the Nika shit
Also, "sky warrior" is a dope nickname