' s ▁two ▁stone ▁l ion ▁stat ues ▁( that ▁were ▁really ▁automat ons ). ▁ ▁Col ch is ▁Bull ▁– ▁ ▁Fire - bre ath ing ▁bronze ▁b ull s ▁created ▁by ▁He pha est us ▁with ▁horn s ▁of ▁silver ▁and ▁rub ies ▁for ▁eyes . ▁In ▁The ▁Sea ▁of ▁Mon sters , ▁some ▁of ▁these ▁b ull s ▁attack ▁Camp ▁Half - B lo od ▁and ▁are ▁defeated ▁by ▁T ys on . ▁They ▁were ▁later ▁used ▁to ▁make ▁the ▁tracks ▁for ▁the ▁Ch ari ot ▁Race . ▁ ▁Drag ons ▁– ▁Lar ge ▁re pt ilian ▁cre atures ▁that ▁sometimes ▁have ▁wings . ▁They ▁are ▁used ▁for ▁guard ing ▁things ▁and ▁are ▁younger ▁than ▁D rak ons . ▁ ▁D rac o ▁A ion ius ▁– ▁Some ▁of ▁these ▁mon sters ▁attacked ▁Camp ▁Half - B lo od ▁while ▁Per cy ▁Jackson ▁was ▁on ▁his ▁advent ures ▁in ▁The ▁Sea ▁of ▁Mon sters . ▁ ▁Lad on ▁– ▁A ▁giant ▁drag on ▁who ▁is ▁one ▁of ▁the ▁off spring ▁of ▁E ch id na . ▁It ▁def ends ▁the ▁H esper ides ' ▁apple ▁tree . ▁Lad on ▁po isons ▁Zo ë ▁Night sh ade ▁in ▁The ▁T itan ' s ▁Cur se . ▁ ▁Pe le us ▁– ▁A ▁drag on ▁that ▁is ▁now ▁guard ing ▁the ▁Golden ▁Fle e ce ▁which ▁hang s ▁on ▁the ▁tree ▁that ▁Th alia ▁was ▁previously ▁within . ▁He ▁is ▁possibly ▁named ▁after ▁Pe le us : ▁Father ▁of ▁Ach illes .