▁unexpected ly ▁to ▁S ally ' s ▁a partment , ▁Paul ▁fully ▁bel ieves ▁and ▁thinks ▁it ' s ▁" aw esome !" ▁He ▁is ▁a ▁compet ent ▁s words man ▁from ▁stage ▁combat ▁training ▁in ▁college , ▁and ▁he ▁ass ists ▁in ▁the ▁fight ▁to ▁save ▁Olymp us ▁in ▁The ▁Last ▁Olymp ian . ▁Per cy ▁had ▁first ▁referred ▁to ▁him ▁as ▁" B low fish " ▁and ▁as ▁did ▁P ose id on ▁when ▁he ▁first ▁heard ▁about ▁him ▁saying ▁" It ▁is ▁a ▁shame ▁because ▁I ▁rather ▁like ▁blow fish ." ▁ ▁Est elle ▁Blo f is ▁– ▁S ally ▁and ▁Paul ' s ▁daughter ▁and ▁Per cy ' s ▁baby ▁half - s ister , ▁named ▁after ▁her ▁mat ernal ▁grand m other . ▁She ▁was ▁born ▁somewhere ▁between ▁the ▁events ▁of ▁The ▁H idden ▁Oracle ▁and ▁The ▁Sh ip ▁of ▁the ▁Dead . ▁Bab ys itting ▁her ▁has ▁added ▁Per cy ' s ▁work load , ▁causing ▁him ▁to ▁visit ▁Camp ▁Half - B lo od ▁less ▁often . ▁ ▁The ▁Ch ase ▁family ▁ ▁Caroline , ▁Emma , ▁and ▁A ubre y ▁Ch ase ▁– ▁Rand olph ▁Ch ase ' ▁nuclear ▁family ▁consists ▁of ▁a ▁wife ▁named ▁Caroline ▁and ▁two ▁daughters , ▁Emma ▁and ▁A ubre y . ▁All ▁of ▁them ▁per ish ▁in ▁a ▁storm ▁while ▁accomp any ing ▁Rand olph ▁in ▁loc ating ▁Sum ar br ander ▁near ▁the ▁coast ▁of ▁Boston . ▁L oki ▁has ▁since ▁promised ▁to ▁Rand olph ▁to ▁return ▁them ▁to