Sir Arthur (Japanese: アーサー, Hepburn: Āsā) is a fictional character and the primary protagonist from Capcom's Ghosts 'n Goblins video game series. He first appeared in the 1985 video game Ghosts 'n Goblins, and has been well received since then. The character is also featured in several other Capcom video games outside the Ghosts 'n Goblins series.