esis ▁– ▁The ▁F ate ▁who ▁measures ▁the ▁Thread ▁of ▁Life ▁with ▁her ▁rod . ▁ ▁At ro pos ▁– ▁The ▁F ate ▁who ▁cut s ▁the ▁Thread ▁of ▁Life ▁and ▁cho oses ▁the ▁manner ▁of ▁the ▁person ' s ▁death . ▁ ▁Fa un ▁– ▁The ▁Roman ▁counter parts ▁of ▁sat y rs . ▁In ▁contrast ▁to ▁Camp ▁Half - B lo od ' s ▁helpful ▁sat y rs , ▁the ▁fa uns ▁are ▁mostly ▁begg ars ▁and ▁are ▁often ▁used ▁for ▁am usement ▁purposes . ▁ ▁Don ▁– ▁One ▁of ▁the ▁Fa uns ▁that ▁live ▁at ▁Camp ▁Jup iter . ▁In ▁The ▁Son ▁of ▁Ne pt une , ▁Per cy ▁and ▁Haz el ▁run ▁into ▁Don ▁who ▁needs ▁money ▁for ▁making ▁up ▁bad ▁lies . ▁When ▁Per cy ▁asks ▁why ▁the ▁Fa uns ▁aren ' t ▁like ▁the ▁S aty rs , ▁Don ▁states ▁that ▁Fa uns ▁are ▁free - sp ir ited . ▁In ▁The ▁T yr ant ' s ▁T omb , ▁Don ▁ow ed ▁a ▁favor ▁to ▁Lav in ia . ▁ ▁The ▁Fur ies ▁– ▁H ades ' ▁chief ▁servants ▁and ▁tort ur ers ▁and ▁they ▁personally ▁searched ▁for ▁H ades ' s ▁Hel m ▁of ▁Dark ness , ▁bel ieving ▁that ▁Per cy ▁had ▁st olen ▁it . ▁ ▁A lect o ▁– ▁A lect o ▁acted ▁as ▁Per cy ' s ▁pre - algebra ▁teacher ▁Mrs . ▁D od ds ▁in ▁the ▁first ▁book . ▁She ▁is ▁H ades ' s ▁main ▁servant . ▁In