MIO: Memories in Orbit - Characters
The cast of MIO: Memories in Orbit is small and mostly made up of the Keepers, the entities they serve and the few survivors still moving through the Vessel. MIO's own memory loss is the story's engine, and the other characters exist to answer or complicate the question of what the ark's units were...
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of 8 entries
· updated 2026-09-15
| Name | Description | Role | Faction | Abilities | Source |
|---|---|---|---|---|---|
| MIO | A nimble android and a Keeper, woken by Samsk after being damaged and left lost inside the Vessel for what the story frames as hundreds of years. | Protagonist (Keeper of the Eye) | The Keepers | Hairpin grapple Double jump, glide and dash Arachnid and Striders climbing abilities Harvester | Playable protagonist |
| Samsk | The character who awakens MIO at the start of the game and the one who hands out her abilities as the campaign progresses. | Ally / Guide | The Vessel | Grants MIO her abilities Keeper lore and story guidance | Story ally, encountered in the Vessel |
| Tomo | One of the game's main characters and a Keeper in their own right. | Main Character / Fellow Keeper | The Keepers | Keeper of Liho Investigation of the ark's failing units | Main story character |
| Mel | The shopkeeper MIO meets early in the Nexus and the game's main vendor. | Vendor / Supporting Character | The Nexus | Runs the main shop Sells upgrades, mods and consumables | Nexus shop |
| Dr. Halyn | A scientist figure whose experiments are scattered through the Vessel as named threats, and the human half of the AnRa and Dr. | Antagonist | Independent | Creates and controls experimental units Fights alongside AnRa | Boss encounter and optional creations |
| AnRa | Dr. Halyn's partner in the duo boss fight, used as a thrown weapon and a physical threat rather than as an independent actor. | Antagonist / Boss | Dr. Halyn | Thrown as a projectile by Dr. Halyn Multi-stage boss sequence | AnRa and Dr. Halyn boss encounter |
| Liho | The entity Tomo served as Keeper. Liho sits in the background of the Vessel's history rather than on its main route, and the Keeper relationship is the frame the story uses to explain what MIO and Tomo actually are. | Entity / Keeper's Charge | The Vessel | Bound to the Keeper system | Background lore |
| Noden | The being whose shell forms the Spine, the Vessel's central structure, and the site of the Ati boss fight. | Entity / Area Anchor | The Vessel | Shell forms the Spine Holds the Ati encounter and Noden's Voice | The Spine |
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