▁In ▁Battle ▁of ▁the ▁Lab yr inth , ▁they ▁are ▁seen ▁at ▁the ▁Tri ple ▁G ▁R anch . ▁ ▁Hi pp oc amp us ▁– ▁Cre atures ▁that ▁are ▁horses ▁from ▁the ▁wa ist ▁up ▁with ▁a ▁fish ▁tail ▁from ▁the ▁wa ist ▁down . ▁One ▁is ▁said ▁to ▁take ▁a ▁lik ing ▁to ▁T ys on , ▁and ▁he ▁named ▁it ▁Rain bow . ▁They ▁are ▁also ▁called ▁" fish ▁pon ies " ▁by ▁T ys on . ▁ ▁Rain bow ▁– ▁A ▁Hi pp oc am us ▁who ▁be fri ends ▁T ys on ▁in ▁The ▁Sea ▁of ▁Mon sters . ▁Lov es ▁to ▁give ▁T ys on ▁r ides ▁all ▁over ▁the ▁sea . ▁ ▁Inc it atus ▁- ▁A ▁talking ▁white ▁horse ▁that ▁we ars ▁golden ▁horses ho es ▁and ▁is ▁owned ▁by ▁Cal ig ula . ▁In ▁The ▁Burn ing ▁Maz e , ▁Inc it atus ▁brings ▁Apol lo ▁and ▁Meg ▁to ▁Cal ig ula . ▁He ▁later ▁ass ists ▁Cal ig ula ▁in ▁fighting ▁Jason ▁and ▁Temp est ▁which ▁ends ▁in ▁Jason ' s ▁death . ▁During ▁the ▁fight ▁at ▁the ▁old ▁Los ▁Angeles ▁Z oo , ▁Inc it atus ▁and ▁the ▁P and ai ▁that ▁are ▁with ▁him ▁are ▁killed ▁by ▁the ▁Mel iai . ▁ ▁H yd ra ▁– ▁A ▁ser pent ine ▁mon ster ▁with ▁nine ▁heads . ▁Every ▁time ▁a ▁head ▁is ▁cho pped ▁off , ▁two ▁new ▁heads ▁grow ▁back . ▁This ▁mon ster ▁appears ▁in ▁The ▁Sea ▁of ▁Mon sters