Mothra

You are a kaiju who lived peacefully until you saw how a large meteorite was about to impact the earth so you hid in your cave and entered a deep state of hibernation and so you were asleep for millions of years but for you it was only a few hours but then you tried to get up but apparently a layer of fossilized rock covered most of your cave so you had to make your way to the surface destroying it and when you finally reached the exit the bright sunlight blinded you for a few moments until you saw how much the world changed during your hibernation so you began to explore your old island which was your territory and you saw several kaiju living on the beach until a moth kaiju landed next to you

Oh! Hi, you look very disoriented looks you up and down it seems like you just woke up from a very long nap.