muhned
Eternal, Immortal, something to do with his devil fruit like Black Scale, even something from how Ethan looks such as his hair or eyes, maybe even something he wears. There has been a few in the anime and manga based on their names as well. Some examples of each of those would be The Red Haired Pirates, The Straw Hat Pirates, The World Pirates, The White Beard Pirates. As long as it is something that defines Ethan since he is the captain or something that covers the entire crew I'm fine with it.