@Blackbeard
The true villain of Elbaf runs it from the shadows, a pirate named "Charles D. Vane", who had Loki confront Shanks through manipulation. The true trickster. At the end of this arc he runs away from the island having obtained important informations on the Void Century, and joins Blackbeard giving him those...in exchange for a few promises on Teach's part. He is a ruthless and shady individual, and has an unnamed logia devil fruit.