Percival is a Sword Art Online player and member of the Royal Knights.
He has neck length dark brown hair and yellow eyes. He wears vest and and long trousers with a brown belt with the symbol fo the Royal Knights, with an bout of the black and violet, with orange lining, and wrap-up sandals. On his right hand he has a violet and orange wristband.
He Carries the sheath of his dagger on the left side of his belt, and the sheath of his spear on his back. While not on battles nor on a mission, he wears a white long t-shirt on his shoulder.
Percival is the most relaxed member of the guild. Generally joking with others and keeping up the spirit among the group, especially on difficult situations. When someone is sad, he tries to cheer up him or her. Everybody likes Percival for his value of friendship.
He also tended to be sometimes distracted, and confused. When someone or something threatens to hurt one of his friends, without thinking it, he is the first one to show up, and save that person.
He attended school as every typical boy of his age. Among his classmates where his friends: Galant, Lance, Guinevere, Gawn, Dagonet, Bors, Tristan and Galahad. Thanks to the last one, they obtained the game Sword Art Online and the NerveGear, due his father was a worker in Argus. They logged in, and soon discovered that they could not log out. When Kayaba Akihiko revealed his true intentions creating SAO, they created a guild called "Royal Knights".
Percival is a late friend of Galant, that gained the group alongside Galahad and Tristan. On 2022, they got SAO by help of one of them, and were trapped inside of it.
Percival acts as Galant's right-hand man at the time of recognition and hunting, alongside Percival's best friend, Tristan. He also tend to keep up the spirit in the guild on hard situations, and acts as neutral when there is a conflict inside the guild.
Percival is another of Guinevere's friends, as he also confronts her, specially when he was sad during the first days of SAO, a thing not even Galant alone could do. Since that moment they also standard as good friends.