Sir Arthur is a minor protagonist in Abobo's Big Adventure.
Sir Arthur is the main protagonist and playable character of Ghosts 'n Goblins for the NES, which was originally on the arcade.
In The Game
Arthur's second appearance is after the final battle with Little Mac, the head of Little Mac flies in the air traveling through "Ghosts 'n Goblins" to defeat a Red Arremer that was obviously going to attack him. After the devil is killed by Mac's head, Arthur takes off his knight armor, and becomes half-naked as he jumps onto a gravestone.