Nico Di Angelo

Nico has black hair that always looks like he just got out of bed (messy and shaggy) and olive skin. By The Battle of the Labyrinth, his skin has paled to white, and he takes to wearing black clothing with skeletal designs, a Stygian Iron sword and a silver skull ring (by the end of the book). By the time he meets Hazel Levesque, she describes his fingers as ghostly white, like their father's. Percy stated that Nico has his mother's eyes, but it has also been said that they have the wild glint of a madman in them, too, just like his father. According to Percy, Nico's hands are "as cold as ice."

By the end of The Battle of the Labyrinth, he has a silver skull ring which was Bianca's last gift to him and is said to belong to his father (as stated by Hazel). He also has a Stygian Iron sword always by his side in his chain belt. He is also mentioned on several occasions wearing an aviator's jacket, most likely because he was originally from WWII. Nico wears a black trench coat when he attempts to bring back Bianca, as shown in one of Hazel's blackouts. In The Last Olympian, Nico wears black battle armor with a skull-shaped helmet. In The Son of Neptune, Nico is seen wearing a black toga when Percy goes to talk to the senators (the reason being that togas are only worn on special occasions, like meetings). In The Mark of Athena, Nico appears weaker, thinner, and even paler than usual, while his eyes are described as "looking like shattered glass," due to his ineffable experience in Tartarus.

Days later, in The House of Hades, Nico has begun to recover and regain his strength, but is still described as "painfully thin," with his black shirt and jeans hanging loosely from his "skeletal frame." His dark hair is longer and frames his face. However, the area around his sunken eyes is very dark, while his complexion is even paler than before," a sickly greenish white, like the color of tree sap." Being a demigod from another era, Nico radiates "a kind of old energy - a melancholy that came from knowing he didn't belong in the modern world." Nico is also the only one whose skin doesn't get tanned in the hot northern African sun, and if anything, looked even paler than before, according to Jason.

Jason comments that since getting out of Tartarus, Nico "had slept little and eaten even less." Seeing Nico casually eat a grape, he thinks that that will be his food for the day. Later, Jason is surprised that Nico actually has visible muscles when he takes off his jacket. According to Hazel, when upset, Nico's face would become "as dark as Tartarus." When Jason infuriates him, the ground opens up and Nico "glows with ghostly light." When Bryce infuriates him, the temperature around Nico drops to freezing, turning the ground around him white with frost. Several demigods, including Leo, Frank, and even Jason all admit to being afraid of the son of Hades.

In The Blood of Olympus, due to the stress of having to shadow-travel vast distances every day, Nico's skin gains a bluish tint, and his cheeks are sunken. After his aviator's jacket and black skull-pattern shirt are both torn to shreds, Nico begins wearing a tropical Puerto Rican shirt, decorated with parrots and palm trees, and with Isla del Encantorico written on it. His biceps are swollen and severely scarred from his fight with Lycaon, and after Reyna stitches them up for him, it gives Nico "a slightly creepy Frankenstein look," to the point that mortals on the street are scared off at the sight of him.

In The Hidden Oracle, Nico wears black jeans, a Ramones T-shirt, and a black leather bomber jacket, with his Stygian iron sword at his side.

In The Tower of Nero, he is wearing a black variant of the Camp Shirt with a skeletal Pegasus and the words CABIN 13, tattered jeans, and is barefoot. Apollo also notes that his hair has grown longer. Later on, during the battle at the Tower, Apollo describes his clothes as being torn and battered from the fighting.

In The Sun and the Star: A Nico di Angelo Adventure, Nico wears a "black shirt with a white skull sitting beneath a red line and the letters AFI," and a leather bomber jacket. When he meets Amphithemis, Nico sustains slashes to the face from the mania that are likely going to scar. Although Chiron offers to help get rid of them, Nico decides to keep the scars.

Nico's appearance is very similar to that of Anubis from The Kane Chronicles.

Personality In The Titan's Curse, Nico is ten years old. He enjoys playing with his Mythomagic cards that none of the others truly seem to understand. The Blood of Olympus reveals that he was obsessed with pirates even before that. He is clueless and very inquisitive. He likes Percy a lot as a big brother figure, but The House of Hades reveals that Nico had developed secret romantic feelings for him. Young Nico annoys Percy with his ceaseless questions, especially when he asks if Annabeth Chase was his girlfriend, which makes Percy consider "stuffing him in a meat-flavored sack and throwing him to the wolves." He is excited about finding out that he is a demigod (immediate response: "Cool!") and starts to compare monsters to Mythomagic creatures. He feels abandoned when his sister Bianca, who practically acts as his parent, becomes a Hunter of Artemis. When she goes on a quest, Nico makes Percy promise to protect her. After her death, he develops a long-lasting grudge toward Percy for letting her die. Once he realizes that he is a son of Hades, he casts away his childhood interests and runs off on his own.

In The Battle of the Labyrinth, Nico becomes grim and solitary, and considerably more powerful. He says, "only the dead respect me... and only out of fear." His attitude may have changed both because of Bianca's death and Minos' manipulations. He believes that he will never be accepted by the living or Camp Half-Blood, much like how his father Hades feels out of place on Olympus. Nico is wanted revenge for Bianca's death, which he blamed Percy for. However, Nico forgives Percy after Bianca's ghost tells him that it wasn't his fault that she died. He also accepts the small figurine of Hades that Bianca wanted him to have.

He is so naive and gullible that he believes that Minos was actually helping him resurrect Bianca. Nico cares deeply about his sister, and his constant attempts to bring her back show that he would not give up without trying. Nico is very loyal to the Olympians, as he could have easily joined Kronos and the Titans but chose to fight on the Olympians' side.

In The Last Olympian, Nico is quite sincere in wanting to help Percy with the prophecy and the war. However, he once tricked Percy into coming to the Underworld so he could gain answers about his mother, but he wasn't planning on Percy becoming imprisoned. By standing up to both Kronos and Hades, he reveals his bravery and boldness. In fact, the only time Nico is ever portrayed as terrified is in The House of Hades, when he was forced to face Cupid, implying that Nico's greatest fear is exposing his homosexuality. He prefers to be on his own and does not want help from anyone. He keeps to himself, and his secretiveness causes plenty of problems throughout the series. Nico wants to help Percy and is very miserable at the thought that Percy did not trust him after his dad tricked him as well. By the end, they were back to a brotherly relationship.

Though he tries hard not to show it, Nico is plagued by incredible internal pain. For one: he is unable to come to terms with not "belonging" in the twenty-first century (due to the time he spent in the Lotus Hotel and Casino). For another: as a son of Hades, he is not accepted by other demigods. Worst of all, he fears being outed as gay and is desperate to keep that secret. After all, he grew up in 1940s Italy, when homosexuality was not accepted.

Nico, apparently, also has tremendous, virtually indomitable willpower, since he was able to survive in Tartarus on his own while seeing the place in all of its ineffable horrors for the entire time that he spent there. Percy, who found even a few moments of seeing it maddening, marveled how Nico had managed to survive with his sanity. At some point during his horrifying journey through Tartarus, Nico encounters the goddess of misery Akhlys. She was impressed at how much sorrow and pain the son of Hades carried, claiming that there was little more that she could do to him. When Reyna shares her strength with Nico in The Blood of Olympus, she is horrified at how much pain and raw anguish she felt inside Nico. Even a portion of his pain is greater than the pain she had felt from her entire legion, when they fought against the giant Polybotes. When Reyna accidentally learns about Nico's homosexuality, she, much to Nico's surprise and relief, doesn't judge him. She still accepts him as a friend, just as he is, without hesitation. Reyna's acceptance likely gave Nico the courage to come out to a very surprised Percy and Annabeth. He admits to being past his strong crush on Percy and is now genuinely happy for Percy and Annabeth. Hence, Nico is finally willing to become more sociable and more open about himself and his feelings to others. He is no longer nearly so insecure about his homosexuality, and he is completely open about it six months later in The Hidden Oracle.

In spite of Nico pretending not to know Percy in The Son of Neptune, he spoke very highly of him to Hazel, telling her that he is dangerous to his enemies and a valuable ally to his friends. Nico's relationship with Percy also shows how much he's grown and matured throughout the series. Nico is very caring to Hazel Levesque, his half-sister, and tries to help her as much as he can. His helping her sort of parallels with how Percy helped him in several cases. This shows that he loves his family, even his half-siblings. Unfortunately, after returning from Tartarus in The Mark of Athena, Nico is very different. He turns more inward and withdrawn, with his eyes becoming somewhat glassy like something in him broke permanently. Percy compares him to pictures of prisoners of war, which he notes Nico kind of was. Hazel states in The House of Hades that Nico has become more reclusive and morose, preferring to stay on top of the ship's mast, in solitude. Nico becomes much more easily angered, defensive, and takes to making creepy and humorless smiles. Nico, however, has happily smiled on two occasions: in The Last Olympian, right after he helps Hades defeat Kronos' army and gains his father's respect, and in The House of Hades after he and Frank defeat Gaea's monsters at the Necromanteion. In The Blood of Olympus, Nico notes that his facial muscles hurt when he smiles since he isn't used to making that expression often. Even though Nico seems to dislike being touched, he is shown to be very affectionate towards Hazel, having kissed her on the cheek several times. However, by the end of The Blood of Olympus, Nico begins to change and doesn't seem to mind when Jason and Reyna embraced him.

Nico's belief he will not be accepted by the living is complicated. After the war with Kronos is over, all the demigods of Camp Half-Blood welcome Nico cheerfully: as Percy puts it, "Hey, show up with an army of undead warriors to save the day, and suddenly you're everyone's best friend," meaning that when he saves them, the campers accept him. This helps lift Hades's curse from the Oracle. Sadly, however, Nico's popularity only lasted a few weeks, after which most campers did whatever they could to avoid the son of Hades and forgot he was at Camp, forging his feeling of not belonging. However, when Nico mentions his plans to leave for good, due to his lack of acceptance, Will Solace gets upset and tells him that there are actually many people at camp who are his friends or would like to be, but it is Nico who pushes himself away. Will also states that the camp did not reject him as he had thought. In spite of this, it is previously shown the dislike his presence receives. Albeit this indicates that Nico may have misinterpreted the campers' reactions to him, or exaggerated it in his own mind, due to his fears of non-acceptance, although it isn't sure Will knows of all he went through before then. After Gaea is defeated, when Reyna tells the two camps about Nico's part in saving both of them and gives him a big hug, the crowd of demigods roared with approval, indicating that thanks to Reyna, both Camp Half-Blood and Camp Jupiter have finally come to truly accept the son of Hades once and for all. As a result, Nico decides to give Camp Half-Blood another try, seeing that he is finally accepted.

Nico can be extremely dangerous as he is a son of the Big Three. He is very unpredictable, and due to his sister's death can be somewhat mentally unstable as demonstrated in The Battle of the Labyrinth, and Octavian even claims to see a decent amount of ruthlessness in Nico. He has a short temper, just like Percy and Thalia. When Jason causes him to lose his temper in The House of Hades, Nico's fury was so intense, that it even scared Jason, who felt that a furious Nico was "more than he could handle." However, the greatest and most volcanic demonstration of Nico's fury happened in The Blood of Olympus, when he faced the psychopathic Bryce Lawrence. A furious Nico, in one horrible cry, unleashes a "flood of pain and anger" on Bryce, Reyna, and Coach Hedge, with the temperature around Nico dropping to freezing (turning the ground around him white with frost), Bryce's zombies instantly disintegrating, and a terrified Bryce himself turned into a mindless ghost.

This otherworldly demonstration of Nico's sheer rage when unleashed upon those cruel enough to invoke it was one of the most frightening events in the series. Suffice it to say that no one and nothing would be wise to provoke the son of Hades.

By The Hidden Oracle, Nico is much happier and more involved in the camp. He spends most of his time with his boyfriend Will and is no longer insecure about being gay (although he is still slightly uncomfortable with being called Will's "boyfriend" at first), and is considerably more relaxed around people, even roasting marshmallows on a campfire, joining in with the campers' sing-along, and helping Will tend to wounded demigods in the infirmary. Overall, Nico is very supportive of his boyfriend, even impressing Will's father Apollo.

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