Which Emperors have Conqueror's Haki?

Monkey D. Luffy possesses Conqueror's Haki as shown during his clash with Doflamingo.

Ch. 782, p. 4 Suggest an edit Report

Charlotte Linlin possesses Conqueror's Haki whose echoes knock out enemies on another floor.

Ch. 1024, p. 2 Suggest an edit Report

Edward Newgate possesses Conqueror's Haki as shown when he uses it against the Blackbeard Pirates.

Ch. 1003.5, p. 41 Suggest an edit Report