The last Balubid, Anak's egg was found by Nick in the 16th century on under the Santo Nino cold spring in Camiguin Island in the Philippines.

It's implied there was previously an ice glacier under the Santo Nino cold spring.

Jim was an orphan who grew up drifting between various crews and vessels before finally settling on Kamigen island to start a new life.

A talented aircraft pilot since becoming a cyborg, Jim masks his suffering with a light sense of humour.

Born into a family of explorers, Kaptan was legendary among his people for being able to fight dinosaurs by turning into a giant.

After his fight with Bulawan Dakong Umang, his injuries lead him to becoming a cyborg and he changes his name to Makaptan.

Descending from Ancient Human settlers, Nick was born on Camiguin Island and loves his home.

Fiercely protective of the environment and his people, Nick at some point attains immortality along with his wife Trudy.

Born into a family of scientists, Sumpoy's intellectual prowess is unparalleled and behind saving the human race more than once.

Sumpoy cares little for others but will to anything to gain the affection and attention of Makaptan, whom he has served for eons.

Born the same year as Nick, Trudy grew up in love with her people and their exploits.

She believed that one day the Bulawan city would be restored, however hopes to find a real path to it that isn't like Makaptan and Sumpoy's vision for it.