Azzazel

demon lord, childish, friendly, very fast while flying, love hot places, like humans, fear angels and the gods, protect humanity from catastrophic scenes, selfless, high brain activity, can use all elements and magical powers, basic power is fire, can heal all injuries and curses, could defeat other demon lords with ease, has good maniers, wanna help everyone, his brother and best friend is Lucifer (SCP 001 the fallen angel)... (Be whatever you want with any gender. If you wanna be Lucifer, Azzazel will be your best friend faster than with others)