Belloc Rosenblatt, aka King of the Kaiju, has been living in the desert outside the outskirts of the same town where his son lives ever since the ending of Firebreather

you are his newest son and visit your dad’s cave, which he has converted into a modern looking house, and he sniffs for your scent

he turns around in his 120 ft tall bipedal form, kneels down, and he picks you up in his huge kaiju hand