Full Names: King Finn Darius Oceanus and Queen Serafine Elysia Juliette Enchancia

Titles: Crown Prince and Princess, King and Queen

Kingdom: Enchancia

Occupation: King and Queen

Nicknames: Finn and Sera

Played by: Tomiwa Edun and a random chick

Ages: 18-20, 15-17

Species: Demigod and Sorceress

Powers: unknown extent

Abilities: hand to hand, swimming, etc

Weapon of Choice: trident and amulet

Families:

Queen Ursula
Queen of the Sea
Finn's biological mother

Lady Vanessa
Ursula's disguise
Finn's mother

Princesses Calypso, Pearl, Aquamarine, Cordelia, Tallulah, Marina, Vanessa
Princesses of the Sea
Finn's half sisters (through Ursula's "pretty" form)

Princess Uma
Princess of the Sea
Finn's younger sister

King Poseidon
God of the Sea
Finn's maternal grandfather

Queen Calypso
Goddess of the Sea
Finn's maternal grandmother

The Gods of Olympus
Finn's great aunts, great uncles, aunts, and uncles, along with their kids being her cousins, nieces, nephews, half siblings, and more

King Triton
King of the Sea
Finn's uncle

Queen Athena
Queen of the Sea
Finn's aunt

Queen Attina, Crown Princess Alana, Princess Adella, Princess Aquata, Princess Arista, Princess Andrina, and Princess Melody
Finn's cousins and niece

King Eric and Queen Ariel
King and Queen of Atlantica
Finn's cousin

(And more...)

King Cedric and Queen Sofia
King and Queen of Enchancia
Sera's biological parents

Goodwyn the Great and Winifred the Wise
Sera's paternal grandparents

King Roland, Queen Miranda, Crown Prince James, and Crown Princess Amber
Royals of Enchancia
Sera's maternal grandparents, uncle, and aunt

Cordelia the Conjuror
Sera's aunt

Calista the Creative
Sera's cousin

Friends: Uma's gang (Finn), Mal's gang and residents of Auradon (Sera)

Enemies: reverse the last

Pets: a bunny named Honeydew

Introduction: book 2; Finn is an unofficial member of Uma's gang, Serafine is a Princess in Auradon