Just vamp Jason and his three forms. Bat, mist and dog. Normally it's a wolf, but I liked the idea of him turning into a dog instead. He only knows how to turn into mist. He can turn into a bat, buuut not on his own. He usually turns into it when extremely embarrassed. He has no idea how to turn into the dog yet.
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Karuno
I find the concept very interessing. The three forms, but there's one he can't use yet... Yet you show it anyway. Very nice approach of the character.