Tanarus may refer to: Tanaro River, in north-western Italy - Tanarus in Latin Tanarus (beetle), a genus of beetles in the tribe Hyperini Tanarus (video game), an online 1997 tank first-person shooter Tanarus, another name for the Celtic god of thunder Taranis Tanarus, a disguised form of Ulik the Troll, an old enemy of Thor, who attempted to replace/erase his role as the "God of Thunder" after his death at the end of Fear Itself See also Taranis (disambiguation)