His design is a tribute to that classic low budget movie monster costume, made out of the furry body of a gorilla suit and a high tech head that resembles a cardboard box/tinfoil robot or a fishbowl space helmet. The idea that he is super small just kind of came to me after I saw his compact proportions. I’m not a hundred percent sure how big he actually is, but he’s smaller than even the smallest adult human– perhaps a foot or two tall, the size of a large toy. Maybe he hides in plain sight in his human companion’s toy collection– or on the counter at the comic book store.
For extra fun I imagine he’s as strong as a regular sized kaiju, though probably not as heavy. And yes, the physics of Micro-Kaiju is hand-wavy physics, so maybe his story has a fantasy element. But isn’t that true of all classic tales of giant monsters?