Great Michael

Great Michael is an infamous New World pirate who allied himself with Whitebeard.

Personality
Having only appeared on a small number of occasions, there is little of his personality that can be ascertained as of late, aside from a confident stance and a somewhat laid-back demeanor.

Abilities and Powers
Great Michael is a fearsome pirate who has managed to achieve an infamous reputation in the New World, and to make an alliance with Whitebeard. In One Piece Green: Secret Pieces, he's seen with a sword.

History
Some time prior to the current storyline, Great Michael became a known pirate in the New World, and allied himself with Whitebeard.

Marineford Arc
When Portgas D. Ace was to be executed at Marineford, Great Michael and his crew joined forces with the Whitebeard Pirates to save him.

He was only seen alongside Rush when Squardo said that Whitebeard had stolen his allies to the Marines.

Post War Arc
He, along with the rest of the crew attended the funeral of Whitebeard and Ace on a undisclosed location somewhere on the Grand Line.

Major Battles
Whitebeard Pirates and their allies vs. the Marines and Shichibukai

Trivia

 * He may be named after the carrack of the Royal Scottish Navy, "Great Michael".