Mad? MAD!? Wait until they see me now!
Human stock by deathrockstock
http://deathrockstock.deviantart.com/art/Mad-Scientist-28-119609667
Cat stock by nlink10, melstock and moxylyn
http://nlink10.deviantart.com/art/Stock-Image-Black-Cat-191015068
http://melstock.deviantart.com/art/Stock-Black-Cat-Eyes-10841069
http://moxylyn.deviantart.com/art/Black-Cat-126185729
Lab stock by mordoc-stock, pixelmixtur-stocks and hyenacub-stock
http://mordoc-stock.deviantart.com/art/Syringe-8781889
http://pixelmixtur-stocks.deviantart.com/art/Test-Tube-Stock-24-317254841
http://pixelmixtur-stocks.deviantart.com/art/Petri-Dish-Stock-2-317256002
http://hyenacub-stock.deviantart.com/art/Flask-2-183073297