Varan (Dawn of the Godzilla Universe)

Varan also known as Varan the Unbelievable, is a triphibian kaiju created by Toho and appears in The Dawn of Godzilla.

Origin
Varan is an ancient reptilian creature that lived on Earth from the Triassic through the Cretaceous Periods. He resides at the button of a lake in the Japanese countryside.

Battle with Godzilla
In 1995, Varan was peacefully sleeping in the lake until he was awoken by some scientists. Afterwards, Varan went on a rampage across Japan and fought Godzilla in Tokyo. Varan was defeated, but Godzilla decides to spare him.

The Dawn of Monster Kid
According to some Avalon files, Varan is considered to be one of the first giant monsters to attack Japan.

Trivia

 * Varan's fight with Godzilla in 1995 pays tribute to the scrapped Godzilla film, Godzilla vs. Giant Monster Varan.