Sebon

Sebon are ancient reptilian bird kaiju created by Toho that first appeared in the 2019 GodzillaVerse film, Godzilla.

Origin
The Sebon are an ancient race of creatures that lived on Earth for milions of years.

Godzilla
A Sebon egg was seen in a underground cavern near Mount Fuji as it began to hatched.

Monster Kid
It's revealed that the Sebon are native to Diamond City.

Trivia

 * Sebon are recurring kaiju in the GodzillaVerse.