and librarian Cleo due to her name ending in an O. Leroy – The Set animal that attacks the Kanes at the Washington Monument and Reagan National Airport. Carter nicknames him Leroy and it is mistaken by mortals for a rabid moose. Unable to kill Leroy, Carter manages to banish him into the Duat, which Bast notes is a tremendous feat of magic, particularly for an inexperienced magician like Carter. Mummy – Undead bodies that are wrapped in bandages. They can be summoned through Egyptian necromancy. In The Throne of Fire, Sadie and Walt face an army of mummies in the catacombs beneath Bahariya whose souls are trapped as they're Romans and the proper rites weren't done to send them either to the Duat or the Roman Underworld. However, Ptah arrives to help, sending an army of rats to devour the mummies. Ptah later states that destroying their bodies released the mummies trapped souls into their proper Underworld at last. Petsuchos - A crocodile monster that is also known as the Son of Sobek. During ancient times, it was worshipped as the sacred animal of Sobek in his temple. In The Son of Sobek, the petsuchos rampages throughout Long Island for over two weeks, eating two pegasi belonging to Camp Half-Blood. The creature draws the attention of both Percy Jackson and Carter Kane who are unable to destroy the petsuchos as it is truly immortal. Eventually, while Percy distracts the petsuchos with a miniature hurricane, Carter manages to unlock the clasp on the necklace that the petsuchos is wearing, transforming it back into the form of a three foot long baby crocodile, the form that the petsuchos had before someone had put the necklace on the crocodile. Carter and Percy theorize that the crocodile might've originally been someone's pet before being abandoned although they are unsure of how it got the necklace. Carter decides to adopt the baby crocodile, now completely harmless, as another Brooklyn House pet and a companion for Philip of Macedonia. In The Staff of Serapis, Sadie Kane realizes that Setne had released the petsuchos to test the reaction time of both the Greek demigods and Egyptian magicians and what would happen if they were brought together. Serpopard – A creature of chaos that has the head and neck of a snake and the body of an African leopard. They have the ability to spit poison and