Moga is an ancient stone giant who appears in the anime Horus, Prince of the Sun. Known by various names such as Mogue, Moog, Maug, or Rockoar in different editions, he is an immense being composed of boulders, and his existence is tied to the legendary Sword of the Sun. The sword was embedded in his shoulder, and he had remained dormant for ages until the young protagonist Horus accidentally awakened him while fleeing from a pack of silver wolves. Horus managed to pull the rusty blade from the giant’s shoulder, and Moga then proclaimed the weapon to be the Sword of the Sun. He promised that when the sword was reforged, he would come to Horus and acknowledge him as the Prince of the Sun, willingly serving him in that role.

Moga’s personality is marked by an ancient, patient wisdom and a no-nonsense attitude. He possesses immense physical strength and regards the film’s main antagonist, the ice demon Grunwald, with dismissive contempt, likening him to an annoying gnat rather than a genuine threat. Despite his formidable power, Moga does not act unilaterally; he binds his service to the condition that Horus proves himself worthy by restoring the sword through collective effort. This reflects a deeper motivation: he serves as a guardian of an ancient prophecy and a test of worthiness for the hero. He does not intervene in the human conflicts of the story until the final confrontation.

In the story, Moga serves a crucial role as a catalyst for Horus’s quest and as a powerful ally in the climax. His initial appearance sets the plot in motion by granting Horus the broken sword and the prophecy. He then remains absent for most of the film, allowing Horus to grow through his own struggles and unite the villagers. When Horus finally reforges the Sword of the Sun using the communal fires of the village, Moga appears as promised and joins the battle against Grunwald. Together with Horus, he helps defeat Grunwald and destroy the ice demon’s forces, including a giant ice mammoth.

Moga’s key relationship is with Horus, whom he recognizes as the destined bearer of the sword. Their bond is formal and based on a covenant rather than personal friendship. He has no direct relationship with other characters such as Hilda or the villagers, as his presence is limited to the beginning and end of the narrative.

The character shows little development in terms of change; he remains the same ancient, steadfast entity throughout. His notable abilities include colossal strength, durability as a stone giant, and presumably a long lifespan. He can move and fight effectively despite his size, and his appearance signals the turning point in the battle against Grunwald. No further special powers or magical abilities are explicitly detailed in the available information.