Proteros was a Ukrainian coachbuilding and body-design atelier founded by designer Grig Tobolin in Kyiv. It specialized in bespoke exterior redesigns, scratch-built bodywork on existing chassis, and bolt-on body kits, operating as a low-volume studio rather than a series manufacturer. The firm offered full “coach building” commissions—crafting new bodies over donor cars—as well as custom aero parts for models such as Porsche Cayenne and Infiniti…