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Mrs. O'Leary - Riordanverse Character | OpenFiction

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Mrs. O'Leary

Mrs. O'Leary

ROLESupporting

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SPECIESAnimal

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GENDERFemale

A giant hellhound puppy belonging to Daedalus; inherited by Percy Jackson after Daedalus's death.

DescriptionPhysical Abilities Occupations RelationshipsAppearances2/6 complete

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Story Arc (9)

Last updated 31 May 2026|View history