Name: Professor Andro
First Appearance: Wonder Woman #116 (1960)
Creators: Robert Kanigher and Ross Andru
Abilities: Ability to freely travel through time. Ability to freeze people and objects in time or simply paralyze them. Super strength. Flight. Ability to take on alternate forms. Can cause volcanic erruptions, create earthquakes, produce fire, and destroy matter through thought alone.
Backstory: A powerful alien entity constructed entirely from crystal. Professor Andro for reasons unknown wished to destroy mankind in its entirety.
Posessing numerous psychic based abilities including the power to travel through time itself, Professor Andro would cause numerous disasters in Earths history. The sinking of Atlantis, the destruction of Pompei, the Chicago fire, the Johnstown flood. The after effects of these disasters forever changing humanities history.
Taking on a human form as he travels through history to avoid discovery, this alien of the distant future would use his knowledge of advanced sciences to create a facade of great alturistic education when in reality he was attempting to doom the world itself.