George McCullin Jr., otherwise known by his infamous alias, "Scar", is the only son of the deceased Captain George McCullin Sr.
George Jr. set out to be the greatest Captain the Celestian Navy would ever see, following in his fathers footsteps, but instead wound up being a fugitive sky-pirate, expelled from Celestia Empire lands.

Many are the stories that try to explain how this could have happened, but few are the ones that actually tell the truth.
All there is to know is that in one of his attempts to flee from Celestian Law Enforcers, he engaged in a sword dual with Chief Jeremy Sanders, who gave him the distinctive scar crossing his eye.

Having no other choice but to go away for good, Scar bought a sky-ship and hired the crew that would eventually come to be his only remaining family. From then on, they went on countless adventures all around the multi-verse. That is, of course, until they caught the attention of Celestian Empress Helena II. After managing to capture McCullin, she revealed what she wanted from him. Helena II wanted Scar and his crew to take on an impossible mission: capture Markus Krammer, one of the most feared pirates that sailed the southern skies. In exchange, she'd declare Scar's Pirate Lair untouchable by Law Enforcers.

Seeing this was a very interesting exchange, Scar convinced his crew to accompany him in said mission, and eventually departed in pursuit of Krammer.

Will they be able to capture Krammer and hand him in to Celestian Justice? Now that, my dear fellows, will be a very interesting story, but know is not the time to tell it.