Nostalgia (video game)

There are five main playable characters in the game:

• Edward "Eddie" Brown - the lone son of famous British adventurer Gilbert Brown. He is an aristocrat who lives with his parents in the countryside of London in a vast and beautiful mansion. Though he is not spoiled or selfish, Pad Ironically calls him a spoiled brat as a running gag. It is implied he may have feelings for Fiona. When his father disappears during an adventure, Edward takes it upon himself to becomes an adventurer to find him. He is a trained swordsman
• Pad Remington - a young man living in London's east end and the son of adventurer Patrick Remington. Separated from his parents at a young age, he learned to survive on his own and looked after the kids of the slum. Initially, he thinks of adventuring as a waste of time until he travels with Eddie. Although he initially looked down on Eddie due to his high society status, he eventually grows to accept him as a true friend and see past his social status. It is heavily implied throughout the game that he may have feelings for Melody. He is reunited with his mother Elisabeth after 15 years of separation. He has skill with firearms.
• Melody Farklight - a young witch who grew up in her family's isolated Mervielle Village. With no friends her own age, she grew to have a selfish and egotistical personality. Throughout her adventures with her friends, she starts to grow more humble and open, eventually seeing her companions as true friends (especially Pad, for whom she is hinted to have romantic feelings). Her mother, Medea Farklight, gave her life to protect Melody from Hartmann of The Cabal. Her skills include sorcery and magic.
• Fiona - a mysterious amnesiac girl saved by adventurer Gilbert Brown from the Ancient Father's Cabal. She was known as the Princess of the White Order and of Asgard royalty, and was called the "Bearer of the White Wings" before being sealed in Pandora's box for thousands of years. The Cabal pursued her relentlessly as she was the only person capable of touching the tablets The Cabal desperately vies for, as they're the key to opening the portal to Asgard. Her mysterious powers deal in benevolent white magic and healing abilities (Note: Fiona was a guest character for a short amount of time before permanently joining the group).
• Gilbert Brown - Eddie's father and a famous British adventurer. He disappeared after saving Fiona from The Cabal, having fallen from his airship, and his whereabouts were unknown until his son found him, injured in a battle with the Ancient father's Cabal. Later in the story, he is recovering at the Brown's mansion. His special skill is swordplay and firearms (Note: Gilbert is only playable for a short amount of time, after that, he becomes a guest character).

Guest characters are characters that join the party for a temporary time as guests. Guest character's equipment cannot be changed nor can they be controlled in battle. They participate in battle with the playable characters and, like them, they take turns attacking enemies.

• Scarlett Fellini - a lone-wolf sky pirate of Italian descent, she flies in her deep crimson airship the Esperanza. Her long-lost sister Astell had been kidnapped and brainwashed by The Cabal and was convinced she was dead until she was reunited with her after defeating Yang Gui, who had been mind-controlling her long lost sister. She is a highly trained swordswoman.
• Carlos - an agent of the Royal Exploration Agency. Carlos is a trusted and reliable member, and is skilled at investigation, infiltration, and destruction. He is trusted as Director Fogg's right-hand man and because of this, goes along with Fogg's plan to backstab Eddie and his friends to steal the tablets for themselves. Near the end, he has a change of heart and betrays Fogg to assist the group. His special skill is firearms.
• Magi - a mysterious and autistic member of the Royal Exploration agency with psychic powers and a past in The Cabal. Born physically weak, she lives in a wheelchair. She can stop time for a limited period which is how she stunted her own growth, she is actually an elderly woman stuck in the body of a child. Magi, along with Shirley, are the only two members to oppose Fogg. Her special skills are her psychic powers, and she also has healing abilities.
• Astell Fellini - a former elite of the Ancient Father's Cabal, though not by choice. She had been kidnapped long before the game's events, her memory erased and brainwashed by The Cabal, to be their perfect weapon, until Scarlett risks her life to save her and help her remember her past life, reuniting the two sisters. She is a master manipulator and skilled in deceit, but once freed from the influence of The Cabal, she is shown to have a kind heart. She is a shapeshifter, capable of transforming into a doppelgänger of anybody she sees at will, her weapon of choice is a parasol.
• Yang Gui - an elite of the Ancient Father's Cabal and is in charge of mind-controlling and keeping Astell at their command. Disguised as a member of the Royal Exploration Agency, she fools Eddie and the group into accepting her as a guest member to find one of the missing tablets, having ulterior motives. With her abilities of astral projection, she has no physical form and can't be attacked. She uses this technique to keep her body safe from harm during battle, she also has healing abilities when “assisting” the group.

The Cabal are a group of elites who are the main antagonists of Nostalgia and are ruled by their leader Terra. Their goal is to obtain the ancient tablets that are the key to opening the portal to Asgard, tablets only Fiona is capable of touching, which is why The Cabal relentlessly pursue her throughout the game, to use her to get to the tablets and open the gate to Asgard..

• Carmine The "Invincible" - an elite of The Cabal with the power of invincibility; he can instantly cure all physical damage to his body. He also takes pride in being a knight and is of Italian ancestry, he is the strongest elite of The Cabal and lords over his fellow elites.
• Hartmann the "Silent Guru" - an elite of The Cabal and is the oldest of them. Though a wizard born in Mervielle village, he was banished for abusing his magic and using it to soothe his own selfish desires. He is responsible for the death of Melody's mother and of the village elder. Later in the game, he is finally killed by Melody in an act of revenge.
• Roswell the "God's Right Hand" - an elite of The Cabal and their mechanical engineer and scientist. Roswell, being a top scientist, often builds weapons for The Cabal such as airships and works for their technical department. His right arm is mechanical and is of French descent. His most prized invention is their airship the Ouroboros.
• Kakyo The "Impenetrable" - an elite of The Cabal. Of Japanese descent, he manages the Cabal's secret Mt. Fuji base in Japan and is a descendant of samurai. He has the blood of ogres and can literally walk through anything. He is capable of distorting matter around him so that he can walk through solid obstacles at will.
• Terra The "Emperor" - the emperor of The Cabal, his real name is Fredrick. Years ago Terra worked alongside Gilbert and Fogg as an adventurer. He plans to collect the tablets and open the gate to Asgard to harness the power of the Tower of the Sun to destroy the world.

The Royal Exploration Agency is an organization disguised as a museum. The agency pursues the tablets as well but for different reasons, to prevent The Cabal from obtaining them. In truth, this was all a ruse set up by Fogg, and the agency ends up betraying the protagonists and reveal that they used Eddie to get to the tablets so that Julius Fogg can obtain the power of Asgard for himself. The only to members to oppose this plan are Magi and Shirley.

• Julius Fogg - to many unsuspecting people, he is just the Royal Museum's chief curator, but in truth he is the director of the Royal Exploration Agency. He betrays the protagonists to obtain the powers of Asgard for himself by stealing the tablets.
• Shirley Crawford - a member of the Royal Exploration Agency. She admires Gilbert as her master and honors his work. She becomes a great sympathizer to Eddie and, along with Magi, are the only two to oppose Julius Fogg. Her special skill is archaeology.

The Black Order are a trio of Gods who waged a war against the White Order (Fiona) and lost, the result left them sealed in Pandora's box for thousands of years along with Fiona and after being released try to exact revenge on Fiona with Metheus stealing the vessel of Terra to return to Asgard and use The Cabal to do so.

• Metheus the "Bearer of the Black Wings" - the androgynous king(?) of the Black Order and ancient ruler of the Asgard underworld. Defeated by the White Order, it was sealed in pandora's box for thousands of years and used Terra's body as a vessel to return to Asgard and exact its revenge. It has a special hatred for Fiona and its special skill is black magic.
• Frey - the king of swords who was sealed in Pandora's box for thousands of years. He seeks prosperity for the Black Order and tries to exact revenge on Fiona. His special skill is swordplay.
• Freyja - the Goddess of death who was sealed in Pandora's box for thousands of years. She has a special hatred for Fiona and tries to kill her as soon as she's released from her prison. She has the skill of instant death.

• Jim Evans - Gilbert's long time overweight friend and supporter of Eddie. Evans is in search of the world's hidden mysteries and treasures as the deputy chief curator of the Royal Museum.
• Beatrice Fitzgerald - an aristocrat living in London's west end and often gathers information for the protagonists. Beatrice is actually the older sister of Pad's mother Elisabeth, making her Pad's aunt.