Yuuki Mishima (Shark)

When he saw the Phantom Thieves transforming while going to the Metaverse, he found himself in the place with them. As he went with them, in a battle, he soon awakened a Persona of his own, and as a result, he, too, became a Phantom Thief. His weapons of choice: A Trident, a sword and dual guns. With that, he codenamed himself Shark.