Question: who are the 4 yonko?
Answer: The Yonkou (literally Four Emperors), 4 of the world's most powerful pirates in the anime/manga series One Piece. Known members include Red-Haired Shanks, Blackbeard, Kaido, and Big Mom. The Shiseiten from the manga Samurai Deeper Kyo. Members include Akira, Akari, Bontenmaru and Hotaru.