▁who ▁is ▁the ▁half - bro ther ▁of ▁Ch ir on . ▁He ▁teach es ▁fighting . ▁ ▁K amp ê ▁– ▁A ▁s nake - ha ired ▁wing ed ▁cent au roid ▁creature ▁who ▁is ▁half - w oman , ▁half - drag on ▁with ▁the ▁heads ▁of ▁various ▁animals ▁growing ▁from ▁her ▁human ▁tor so . ▁She ▁is ▁a ▁mon ster ▁who ▁imprison ed ▁the ▁H undred - Hand ed ▁On es ▁and ▁Cy c lop es ▁during ▁the ▁First ▁Great ▁War . ▁She ▁is ▁fe ared ▁by ▁all , ▁and ▁is ▁defeated ▁by ▁B ri ares ▁in ▁the ▁Battle ▁of ▁the ▁Lab yr inth ▁by ▁being ▁cr ushed ▁by ▁b ould ers . ▁ ▁K erk op es ▁– ▁Two ▁brothers ▁who ▁are ▁the ▁children ▁of ▁Ocean us ▁and ▁The ia . ▁They ▁worked ▁as ▁th ieves ▁until ▁they ▁were ▁caught ▁by ▁Her cules ▁and ▁later ▁turned ▁into ▁mon keys ▁by ▁Ze us . ▁In ▁The ▁House ▁of ▁H ades , ▁the ▁K erk op es ▁have ▁set ▁up ▁shop ▁in ▁Bal og na , ▁Italy . ▁When ▁the ▁Ar go ▁II ▁do cks ▁there , ▁the ▁K erk op es ▁attacked ▁the ▁ship ▁and ▁ro bb ed ▁it , ▁taking ▁things ▁like ▁an ▁Arch im edes ▁S phere ▁and ▁Pi per ▁Mc Le an ' s ▁d agger ▁K ato pt ris . ▁Leo ▁Val de z ▁and ▁Jason ▁At ▁the ▁F ount ain ▁of ▁Ne pt une , ▁they ▁in cap ac itated ▁Jason ▁by ▁tra pping ▁him