This is a sort of oc based off Jekyll/Hyde. (and some similarities to Spiderman's foe Lizardman)
Professor H. has lost his leg, making it difficult to do his research on herpatology. He decided to experiment with genetics to see if reptilian dna can recover his legs. It has worked, but had made him schizophrenic and sometimes showing scales and a tail. Now trying to find a more docile reptilian whose dna was human compatible made things difficult. He has heard of a child that maay be the key