Oslo the space otter is a secondary character in the Science Fiction novel/animated feature film concept, "NEXT REST STOP: EARTH" and a member of the Earth Station Heroes. In the book he's on the station platform during an attack. His saving reveals the main characters hidden abilities. Because of his tiny, little otter arms, he's outfitted with a mech rig, which allows him to pilot and fight in space and on the station. As a member of the Heroes he is one of the two Evolutionaries, a race of evolved animals who have worked as mercenaries.