| Description | Who? |
| Son of Zeus/Jupiter, Main Protagonist | |
| Son of Hephaestus, Friend of Main Protagonist | |
| Daughter of Aphrodite, Girlfriend of Main Protagonist | |
| Protector of the Three Demigods, Satyr | |
| Ventus, Posing as a Boy | |
| Daughter of Athena, Came To Get The Three Demigods | |
| Son of Iris, Came To Get The Three Demigods | |
| Son of Poseidon, Lost Hero | |
| Claimed His Son As Soon As He Got to Camp Half-Blood | |
| Goddess Who Has Been Captured, Appeared to Three Demigods | |
| Oracle, Found in Hera's Cabin | |
| Trainer of Heroes, Centaur | |
| Son of Hypnos, Helped Jason Figure Out His Memories Were Stolen | |
| Leo Fixes This Bronze Dragon, Means Happy in Latin | |
| God of the North Winds, Lives in Quebec | |
| Goddess of Snow | |
| Owns Underground Mall, Sorceress | |
| King, Turns Everything He Touches into Gold | |
| King of Werewolves | |
| The Hunters of ..... | |
| Jason's Long Lost Sister | |
| Master of All Winds | |
| The Aura's Name | |
| Goddess of Love, Helped Piper and Her Friends | |
| The Giant That Has Piper's Father | |
| Was Found Locked Up in the Wolf House | |
| The King of the Giants | |
| Daughter of Boreas, The Evil Goddess Responsible for Hera's Imprisonment | |
| The True Enemy | |