First sketch, from this sketch I decided that stingray kaiju wich main weapon would be a harpoon would be a pretty original idea.
Using clay and a mirror photofilter I made many of these organic shape explorations. I kitbashed the one's I liked the most.
I traced over the kidbash, and then proceed to tweak the design and proportions, I came up with the first concept. but I was not happy with it, because neither looked strong or made sense how will it use it's tail to attack
I sketched some more ideas until I came up with a strong looking monster.
Next, I savaged most of the elements from the first concept, I went for a sketchy, pacific rim look.
Changed the harpoon hook for a a really big hammer, it fitted the character better.