▁a ▁Roman ▁festival ▁hon oring ▁the ▁god dess . ▁ ▁Er is / Dis cord ia ▁– ▁The ▁god dess ▁of ▁cha os ▁and ▁the ▁daughter ▁of ▁Ny x . ▁In ▁The ▁House ▁of ▁H ades , ▁Per cy ▁and ▁An nab eth ▁encounter ▁Er is ▁alongside ▁Ny x ▁and ▁Er is ' ▁sib lings ▁near ▁the ▁M ansion ▁of ▁Night . ▁ ▁Gan ym ede ▁– ▁The ▁cup b ear er ▁of ▁the ▁gods , ▁who ▁appears ▁in ▁The ▁Sea ▁of ▁Mon sters ▁as ▁part ▁of ▁a ▁public ▁service ▁announ cement ▁advis ing ▁users ▁of ▁the ▁Gray ▁Sister s ' ▁tax i ▁service ▁to ▁use ▁the ▁seat ▁bel t . ▁In ▁Per cy ▁Jackson : ▁Sea ▁of ▁Mon sters , ▁Gan ym ede ▁is ▁played ▁by ▁Richard ▁Year wood . ▁ ▁Ger as ▁– ▁The ▁god dess ▁of ▁old ▁age ▁and ▁the ▁daughter ▁of ▁Ny x . ▁In ▁The ▁House ▁of ▁H ades , ▁Ger as ▁is ▁among ▁the ▁children ▁of ▁Ny x ▁that ▁encounter ▁Per cy ▁and ▁An nab eth ▁near ▁the ▁M ansion ▁of ▁Night . ▁Har p ocr ates ▁- ▁The ▁god ▁of ▁silence , ▁who ▁was ▁imprison ed ▁by ▁Tri um vir ate ▁Hold ings ▁and ▁used ▁to ▁silence ▁all ▁dem ig od ▁communic ations . ▁▁▁ ▁Heb e / J u vent as ▁– ▁The ▁god dess ▁of ▁youth , ▁who ▁is ▁the ▁daughter ▁of ▁Ze us ▁and ▁H era ▁and ▁wife ▁of ▁Her acles . ▁Heb e ▁is ▁among ▁the ▁minor ▁gods ▁who ▁al lied ▁themselves