List of Characters in The Percy Jackson and The Olympians Series and In The Heroes of Olympus Series - Mortals

Mortals

• Mrs. Dare - Mrs. Dare is Rachel's mother, who briefly appears in The Last Olympian. She went to Clarion Ladies' Academy, a finishing school for girls in New Hampshire, and wants Rachel to go there as well. Her first name is not revealed.

• Esperanza Valdez - Esperanza is Leo's mother. She was a Hispanic-American mechanic who received a college degree in mechanical engineering. She was killed in a fire caused by Gaea, when Mother Earth faced eight-year-old Leo Valdez.

• Emily Zhang - Emily is Frank's mother, who died in Afghanistan. She loved Mars and has ancestors from Pylos. After her death, her mother raises Frank and dies of old age in The Son of Neptune.

• Frederick Chase - Dr. Chase is Annabeth's father, a professor of military history. He first appears in The Titan's Curse. He owns a Sopwith Camel. He and his daughter have had many disagreements, which caused her to run away from home at age seven. He lives in San Francisco with his wife and two sons. In The Titan's Curse, he battles monsters on the Princess Andromeda with bullets formed from celestial bronze.

• Gabriel "Gabe" Ugliano - Gabriel Ugliano was Percy's stepfather. He is described as a loathsome man who is rude to Percy and demanding toward Percy's mother Sally. It is implied that he was physically abusive to her. Percy later learns Gabriel's strong human stench hid Percy and his mother from detection by monsters. At the end of The Lightning Thief, Percy's mother uses the severed head of Medusa to turn Gabe to stone. Sally sold Gabe's petrified body as a poker-playing statue. In the film adaptation, he is played by Joe Pantoliano.

• Ms. Grace - Ms. Grace is the mother of Jason and Thalia Grace. She is the first known mortal to bear children to both the Greek and Roman aspects of the same god (Zeus and Jupiter). Her first name not revealed.

• Maria di Angelo - Maria di Angelo is Nico and Bianca's mother. She died when Zeus struck the hotel she was staying in with lightning in an attempt to kill her demigod children.

• Marie Levesque - Marie is Hazel's greedy mother who was manipulated by Gaea into helping raise Alcyoneus. She died in 1942 along with Hazel. She was sentenced to Eternal Punishment but Hazel made a compromise with the judges so they could both be in the Fields of Asphodel.

• May Castellan - May is Luke's mother, who went insane after attempting to become the Oracle. She continued to make large amounts of sandwiches, burnt cookies, and Kool-Aid for Luke, hoping he would someday return home.

• Paul Blofis - Paul is Sally Jackson's boyfriend and later husband, making him Percy's stepfather. Percy and his mother eventually tell Paul the truth about the gods, and he only half believes them initially. But when Percy, Nico, and Mrs. O'Leary come unexpectedly to Sally's apartment, Paul fully believes and thinks it's "awesome!" He is an excellent swordsman from stage combat training in college, and he assists in the fight to save Olympus in The Last Olympian. Percy had first referred to him as "Blowfish" and as did Poseidon when he first heard about him saying that "It was a shame because he rather liked blowfish"

• Rachel Elizabeth Dare - Rachel is a mortal girl who can see through the Mist, the force that obscures the true nature of gods and monsters from most mortals. She first meets Percy in The Titan's Curse at the Hoover Dam. In The Battle of the Labyrinth, she aids Annabeth and Percy by guiding them through the Labyrinth to Daedalus's workshop. It is hinted throughout the series that she harbors romantic feelings for Percy; Annabeth has noticed this and become jealous. In The Last Olympian, she begins having strange visions and becomes the new Oracle of Delphi. Her first act as the Oracle is to deliver the Great Prophecy about the next generation of heroes, setting the plot of the Heroes of Olympus series. In the Mark of Athena it is mentioned she is comparing prophecies with Ella, hoping to find out more to help fight against the giants.

• Sally Jackson - Sally is Percy's mother, initially married to Gabriel Ugliano and later to Paul Blofis. In The Lightning Thief, she works in a candy shop; when she was younger, she aspired to be a writer. She is nearly killed by the Minotaur, but is discovered to be alive in the clutches of Hades. Percy travels to the Underworld to free her. In The Titan's Curse, Percy realizes she can see through the Mist, which likely attracted Poseidon to her. Percy is very close to his mother. After failing to contact Annabeth, she is the first person he calls in The Son of Neptune. In the film adaptation, she is played by Catherine Keener.

• Tristan McLean - Tristan is Piper's father, a very famous Cherokee movie star. He was one of Aphrodite's lovers, but Aphrodite never revealed who she really was, because she was afraid that Tristan would be unable to hold the information that the gods were real. He was captured by Enceladus in The Lost Hero, but Piper and her friends managed to save him. At the end of The Lost Hero, he is said to be back at work with assistants Mellie and Gleeson Hedge(though the latter left to chaperone for the quest against the giants in The Mark of Athena.)
• William Dare - William Dare is Rachel's father. He is the very wealthy owner of a land development company in Brooklyn, and he first appears in The Last Olympian. Rachel hates her father because of his job, and he supported Rachel going to finishing school.