Reyna as his human and return to Camp Jupiter with her. Porkpie – A gray and white Pegasus who is friends with Blackjack. In The Last Olympian, Guido and Porkpie aided Percy and Blackjack in the Battle of Manhattan. Scipio – Reyna's Pegasus who appears in The Son of Neptune. His nickname is "Skippy" because he's the color of peanut butter, the same color as chestnuts. He died at the end of The House of Hades when Reyna is forced to euthanize him following Scipio's severe injuries from a griffin attack. In The Blood of Olympus, the original Pegasus honors Reyna and Scipio's great friendship by coming to her aid personally, the first time that Pegasus has been seen in centuries. As a result of how much Reyna had cared for Scipio, Pegasus declares her Horse Friend, a high honor. Pit Scorpion – A deadly type of scorpion that appears in The Lightning Thief. When Luke brings Percy into the woods and reveals his allegiance to Kronos, he summoned a Pit Scorpion to attack Percy. He tells Percy he should not go for his sword, as the pit scorpion can kill in sixty seconds, and can jump up to fifteen feet. When Luke disappears, Percy manages to kill it even though it managed to sting him. Wood nymphs help Percy recover from its poison. Scylla – One of the two monsters (the other being Charybdis) who live on either side of a narrow channel of water in the Sea of Monsters. Should a ship sail too close to her, she uses her six heads to pluck off crew members on deck and devour them. According to Clarisse (daughter of Ares), Scylla would just pick up the whole boat and crushed the boat if the crew hid below deck. In the film Percy Jackson: Sea of Monsters, Scylla was mentioned by Clarisse to have eaten Ichneutae. Sea Serpent – A large serpent that lives in the sea. Deimos is seen riding one in The Demigod Files story "The Stolen Chariot". In The Last Olympian, a sea serpent was seen among the sea monsters in Oceanus' army. Carthaginian Serpent – A giant serpent with a deadly venom who guards the entrance of Commodus' lair in Indianapolis. Sirens – Dangerous bird women whose sweet songs lead many sailors to their deaths on the jagged rocks. In The Sea of Monsters, they almost killed