Spring Heeled Jack. Main character description.

Spring Heeled Jack:
Age: Looks about 30, has been around for centuries.
Gender: Male, we think.
Appearance: Tall, thin with long legs, wearing all white with an egg shaped helmet, a black cloak, claws for hands.
Accessories: A hysterical laugh, wild red eyes, breathes blue smoke.
Back story: Is he good or bad? Jack remains an enigma, some think he is from another planet!