King George II is the major antagonist in the Pirates of the Carribean film series. He was the greedy king of England who lives in St. James's Palace and the true leader of East India Trading Company.
King George was shown to be a greedy, arrogant and power-hungry tyrant, as he plans to expand the British Empire through all means necessary, such as ridding the Seven Seas of the Brethren Court that would leave the East India Trading Company in charge for international trade of the Empire. He is also shown to be prejudiced towards the Spanish and Catholics, as he sternly states that he won't let the Fountain of Youth fall into their hands to achieve eternal life.
King George was first mentioned in the first film, where he ordered the extermination of all pirates in the island of Isla de Muerta following the death of Hector Barbossa and the arrest of Barbossa's crew.
The King was mentioned again in the second film, where he provided signed Letters of Marque for Lord Cutler Beckett after the latter took possession of the heart of the notorious pirate Davy Jones. As it turns out, the King plans to use Jones and his crew to rid the world of a pirate council (known as the Brethren Court) and control the Seven Seas for his true purposes of international trade.
The King was mentioned again in the third film, where he happily appointed Beckett as commander of a Royal Navy armada to attack and eliminate the Brethren Court at all costs. However, this all failed when Captain Jack Sparrow and his crew (along with a revived Barbossa) managed to kill Jones to free his crew from Beckett's control, and they team up together to kill Beckett by sinking down his ship for good. With both Beckett and Jones killed, the armada is forced to retreat from the seas, leaving the King's plans for conquest in complete vain.
The King finally made his appearance in On Stranger Tides when Joshamee Gibbs and Sparrow were caught by the guards when the courtroom audience yelled. The guards take them to St. James' Palace, where they placed Jack on the chair and the king finally meets him in person. King George tells Sparrow of his next plan to find the Fountain of Youth before the Spanish do. It is also revealed that Blackbeard was a former privateer of the King before he became a pirate, as he too intends to seek out the Fountain for eternal life. As such, King George intends of having Sparrow lead an expedition to find the Fountain, but Sparrow escapes, leaving an annoyed King George to appoint Barbossa (who became a privateer following Beckett and Jones' deaths) to lead the expedition. Little did King George knew that the Spanish was actually attempting to destroy the Fountain rather than using it to gain eternal life and that Barbossa only became a privateer to exact his revenge on Blackbeard for taking away the Black Pearl. Eventually, the Spanish succeeded in destroying the Fountain while the British troops are killed, except for Barbossa, who reverted back to piracy following Blackbeard's death. It is unknown what happened to the King afterwards.
- Despite being mentioned in the first three films and making a cameo in the fourth film, King George is (obviously) the main antagonist of the entire Pirates of the Carribean film series as Jones and Beckett were answering to him, even Barbossa and Blackbeard used to serve him as privateers before their turn to piracy.