Captain Emerald Senior

"Arghh! You Broke Me Emerald Hook! And You Gonna Pay Landlubber!"

Captain Emerald is one of the Lord Turquoise's crewmans who was send to destroy the Crystal Gems in battle and as not even when Gangplank and others show up to attack them to help Manny to fight off him

and also Captain Emerald has alot of failure on his lord to defeat Crystal Gems on combat, but He knew that Manny was a Human Dragon Slayer Mage not even a Gem being it was so that Emerald was the Leader of Gem Pirates will destory the Dragon Empire and destroy Earth once since of all and not only sure about his plan comes to the end, He was defeated by Manny on breaking his hook in half during their fight