Doctor Polaris

Dr. Neal Emerson/Doctor Polaris is a character from Justice League and is a minor antagonist in Knights of the Multiverse Season 2. He specializes in Magnetokinesis and works with many other supervillains and criminals in the Secret Society, where he's actually one of their strongest members, and was a part of those that joined up with the Glemy Faction in a bid to conquer the known Multiverse.

Skills & Powers
Doctor Polaris can manipulate and channel magnetic fields, manipulating iron and iron-based alloys to his whim. He can explode most metal constructs, manipulate ferrous materials and also fly using them, though he does lose his powers when exposed to extreme heat.
 * Magnetokinesis