▁eyes . ▁He ▁has ▁inherited ▁special ▁ab ilities ▁from ▁P ose id on ▁which ▁include ▁the ▁ability ▁to ▁control ▁water , ▁boats , ▁and ▁ships ; ▁sur f ▁really ▁well ; ▁to ▁create ▁small ▁h urr ican es ; ▁to ▁bre at he ▁and ▁see ▁clearly ▁under water ; ▁and ▁to ▁talk ▁to ▁horse - like ▁cre atures . ▁He ▁is ▁also ▁a ▁gift ed ▁s words man . ▁Through out ▁the ▁series , ▁Per cy ▁uses ▁a ▁ball point ▁pen ▁named ▁An ak lus mos ▁( An cient ▁Greek ▁for ▁" R ipt ide ") ▁for ▁battle ; ▁the ▁pen ▁can ▁change ▁into ▁a ▁cel est ial ▁bronze ▁sword ▁and ▁if ▁he ▁los es ▁it , ▁it ▁will ▁always ▁appear ▁back ▁in ▁his ▁pocket . ▁He ▁is ▁excess ively ▁loyal . ▁Per cy ▁and ▁An nab eth ▁Ch ase ' s ▁friendship ▁and ▁cam ar ader ie ▁develop s ▁into ▁a ▁rom antic ▁relationship ▁at ▁the ▁end ▁of ▁The ▁Last ▁Olymp ian . ▁ ▁Per cy ▁is ▁the ▁first - person ▁narr ator ▁in ▁the ▁Per cy ▁Jackson ▁& ▁the ▁Olymp ians ▁series . ▁He ▁appears ▁in ▁The ▁Light ning ▁Th ief , ▁The ▁Sea ▁of ▁Mon sters , ▁The ▁T itan ' s ▁Cur se , ▁The ▁Battle ▁of ▁the ▁Lab yr inth , ▁The ▁Last ▁Olymp ian , ▁The ▁Son ▁of ▁Ne pt une , ▁The ▁Mark ▁of ▁Ath ena , ▁The ▁House ▁of ▁H ades , ▁The ▁Blood ▁of ▁Olymp us , ▁The ▁H idden ▁Oracle . ▁In ▁the