▁The ▁Light ning ▁Th ief , ▁he ▁is ▁sus pected ▁of ▁having ▁st olen ▁Ze us ' s ▁master ▁b olt ▁but ▁is ▁proven ▁innoc ent ▁after ▁Per cy ▁re co vers ▁it ▁from ▁A res . ▁P ose id on ▁f ights ▁Ocean us ▁in ▁the ▁under water ▁front ▁of ▁the ▁T itan ▁war . ▁He ▁remains ▁there ▁in ▁The ▁Last ▁Olymp ian ▁while ▁the ▁other ▁Olymp ians ▁fight ▁Ty phon , ▁until ▁Per cy ▁convin ces ▁him ▁that ▁his ▁power ▁is ▁necessary ▁to ▁defeat ▁Ty phon . ▁He ▁was ▁last ▁seen ▁fighting ▁the ▁Gi ants ▁in ▁the ▁Second ▁G ig antom ach y ▁alongside ▁Per cy ▁and ▁the ▁other ▁gods ▁and ▁dem ig ods ▁and ▁mentioned ▁K ym op ole ia ▁to ▁the ▁other ▁gods ▁as ▁his ▁daughter ▁after ▁Per cy ▁and ▁Jason ▁reported ▁meeting ▁her . ▁Though ▁he ▁is ▁referred ▁to ▁as ▁Ne pt une ▁in ▁the ▁sequ els ▁of ▁Per cy ▁Jackson ▁and ▁the ▁Olymp ians ▁when ▁the ▁Gree ks ▁and ▁Rom ans ▁are ▁un ited , ▁he ▁has ▁yet ▁to ▁appear ▁in ▁Roman ▁form . ▁His ▁cabin ▁in ▁Camp ▁Half - B lo od ▁is ▁Cab in ▁ 3 ▁in ▁which ▁Per cy ▁is ▁the ▁sole ▁permanent ▁occup ant . ▁In ▁the ▁film ▁adaptation ▁of ▁The ▁Light ning ▁Th ief , ▁P ose id on ▁is ▁played ▁by ▁Kevin ▁McK idd . ▁In ▁the ▁musical , ▁he ▁is ▁port rayed ▁by ▁Jonathan ▁Rav iv . ▁ ▁Am ph it rite / Sal acia ▁– ▁The ▁wife ▁of ▁P