/ Pro ser pine ▁– ▁The ▁god dess ▁of ▁spring , ▁and ▁the ▁queen ▁of ▁the ▁under world . ▁Per se phone ▁is ▁the ▁wife ▁of ▁H ades ▁and ▁the ▁daughter ▁of ▁Dem eter ▁and ▁Ze us . ▁H ades ▁only ▁allows ▁her ▁to ▁visit ▁Dem eter , ▁her ▁mother , ▁in ▁the ▁spring ▁and ▁summer . ▁She ▁is ▁said ▁to ▁be ▁able ▁to ▁" soft en " ▁H ades ▁and ▁make ▁him ▁more ▁merc iful . ▁Un like ▁most ▁minor ▁gods , ▁she ▁sides ▁with ▁Olymp us ▁during ▁the ▁war ▁against ▁the ▁Tit ans . ▁In ▁the ▁film ▁adaptation , ▁Per se phone ▁is ▁played ▁by ▁Ros ario ▁Daw son . ▁ ▁A res / M ars ▁– ▁The ▁god ▁of ▁war ▁who ▁is ▁the ▁son ▁of ▁Ze us ▁and ▁H era ▁and ▁the ▁father ▁of ▁De imos , ▁Ph ob os , ▁E ros , ▁Clar isse ▁La ▁R ue , ▁and ▁Frank ▁Z hang . ▁A res ▁is ▁a ▁call ous ▁bul ly ▁who ▁is ▁driven ▁by ▁either ▁gre ed , ▁ag gression , ▁violence ▁or ▁by ▁the ▁promise ▁of ▁violence . ▁However , ▁as ▁Mars , ▁he ▁dis lik es ▁war ▁without ▁reason ▁and ▁is ▁one ▁of ▁the ▁more ▁important ▁Roman ▁God s . ▁He ▁is ▁however ▁still ▁a ▁bul ly ▁and ▁is ▁all ▁for ▁killing ▁the ▁Gree ks . ▁Per cy ▁first ▁enc oun ters ▁A res ▁in ▁The ▁Light ning ▁Th ief , ▁in ▁which ▁he ▁drives ▁a ▁black ▁Har ley - David son ▁motor cycle ▁with