Cerdic most notable characteristic is his appearece, the same as a human. He has a long orange beard and long hair of the same color coming out of his head, with a golden crown on his forehead and crimson-red eyes. He uses lether and metal elbow pads, and forearm protectors colored silver and yellow. Most of his body clothes are green or dark green, with lether armor on it. He carries a claymore on the right side of his waist and and a knife on the other side. On battle he tends to use a two handed battle axe also. He uses brown boots.
Cerdic is a master strategist and a genius in the art of war, so as his skills on field of battle. He is merciless, bloodthirsty and would do anything for killing all the humans of on the game. He tens to not be impulsive, a reason he is very often in conflict with his son, Cynric. Other of the reason he contantly bullies him and forces him to act at his way.
He wants to clear SAO and kill all the remaining players of SAO, creating an army of monsters, making them AI, the same as he is.