Gymaira (New Age of Monsters)

Gymaira is an evil alien Kaiju from the Godzilla: New Age of Monsters film, Godzilla: Battle of monsters.

Origin
Gymaira is a space monster that arrived on Earth in a meteorite during the time of an ancient civilization and began to wreak havoc with two monsters under this control. The ancient people manage to imprison Gymaira in a tomb while his monster minions were hibernating, waiting for their master's return.

History
When a foolish archaeologist accidentally released Gymaira from his prison, the monster kills him and starts to go on a rampage in Japan.