I'm not sure specifically as it depends on the current events. It could be related to his political initiatives in Connecticut if he is involved in state - level politics there. Maybe something about new policies he is proposing or his stance on important local issues.
In some Cregan Stark OC fanfictions, he could be portrayed in a romantic light. Maybe he falls in love with an OC, which can lead to a whole new set of storylines. His family values and his role within the Stark family can also be explored further in relation to the new characters in the fanfiction.
He can be a mentor figure. For example, if an OC is a young and inexperienced character, Cregan Stark can guide them in the ways of the North, teaching them about survival, honor, and loyalty.
One common theme is loyalty. Cregan Stark is often portrayed as a very loyal character, either to his family or to the North. Fanfictions usually explore how his loyalty affects his decisions.
Ned Broyles in 'you tube ned broyles war stories' is likely someone with personal experiences in war. He might be a former soldier, sailor or airman. Maybe he has decided to share his unique insights and tales from the battlefield or military operations on YouTube for others to learn from or be entertained by.
In many mainstream comic universes, Ned may or may not appear. It really varies based on the storyline and the creative decisions of the writers and artists.