Hamsuke, originally titled the Wise King of the Forest, is a colossal silver-furred hamster adorned with a serpentine tail and six arcane sigils etched into its pelt. Once inhabiting the southern expanse of the Great Forest of Tob, it forged a fearsome legacy as an ancient magical beast, revered by local villagers for repelling monstrous threats. Its regal moniker arose when a wounded adventurer, pleading for mercy, addressed it with flattering deference—a gesture that swayed Hamsuke’s vanity, sparing the human’s life. Despite its dominance, the creature endured centuries of solitude, isolated by the absence of its own kind. Forced into submission by Ainz Ooal Gown’s Despair Aura, Hamsuke pledged servitude to the sorcerer, adopting its current name. Transitioning from boastful overlord to humble vassal, it evolved into a steadfast mount and ally, accompanying Ainz on perilous ventures. Humbled by Nazarick’s overwhelming might, Hamsuke dedicated itself to rigorous martial training, sparring with a Death Knight to hone its skills. Ainz’s vow to aid its quest for a mate—a promise securing Hamsuke’s loyalty—fuels its enduring drive to perpetuate its lineage. Beyond its native realm, Hamsuke features in *Isekai Quartet*, navigating humorous school life as part of the animal care team. Its antics include repeatedly gnawing on Subaru Natsuki and seizing hope upon rumors of potential kin. During a ghost ship escapade, it embraces lookout duties with earnest vigilance, underscoring adaptability amid absurdity. Prone to accidental chaos, Hamsuke once wandered Nazarick’s labyrinthine halls, triggering frantic searches. Yet it remains fiercely committed, confronting foes like Erya Uzruth to test its combat growth. In the Sealed Evil Tree arc, it shields allies such as the dryad Pinison Pol Perlia, steering them from harm mid-battle. Hamsuke’s speech, marked by inverted sentence structure, pairs with its earnest clumsiness and loyalty, cementing its dual role as devoted servant and comedic foil across narratives. Its journey intertwines martial ambition, inadvertent mishaps, and an unyielding desire for kinship, all while navigating worlds where power and absurdity collide.