Subnautica 2 Wiki

Marguerit Maida is a mercenary and survivor who appears in both Subnautica and Below Zero. She is the only character to appear in both games and the sole survivor of the Degasi crew.

Robin Ayou is the protagonist of Subnautica: Below Zero. A marine biologist who traveled to Planet 4546B to investigate her sister Sam's death, she became the host for the Architect AI Al-An.

Ryley Robinson is the protagonist of the original Subnautica. A silent Alterra Corporation employee who survived the Aurora crash on Planet 4546B, cured the Kharaa infection, and escaped the planet.