one piece Shanks Yonko

Nickname: "Red-Haired" Shanks
Affiliation: Captain of the Red Hair Pirates
Title: One of the Four Emperors (Yonko)
Creator: Eiichiro Oda
Why is he a Yonko?

Shanks became a Yonko because of his:

Exceptional strength and mastery of Haki, especially Conqueror's Haki.
Powerful pirate crew, widely regarded as one of the most balanced and elite crews.
Massive influence across the seas, respected by pirates and even the World Government.
Large sphere of influence and territories under his protection.