“The Fool that doesn’t belong to this era;
The Mysterious Ruler above the Gray Fog;
The King of Yellow and Black who wields good luck.”

— Honorific name of The Fool

It's Klein Moretti and his identites from hit novel, Lord of the Mysteries (LOTM) being continued into Circle of Inevitability (COI/LOTM 2) (His identities include: Sherlock Moriarty, Gehrman Sparrow, The Fool, Mister Clown, Merlin Hermes, and Dwayne Dantes)

(leave a reply if there is any problem, besides LLM issues)