Neal Emerson was abused as a child and as a result claimed this to be the reason why he became evil. He worked for the better of humanity and loved magnets and would constantly wor with them throughout his life. He convinced himself that the more he was around magnets the more power he had. This eventually led him to rename himself Dr. polaris after the famous northstar that all magnets point to. During The Joker's last Laugh, Dr. polaris attempted to take control of the South Pole later seized by Justice League. Doctor. Polaris later soul Neal Emerson's soul to the demon Neron in exchange to permanently remove his Neal Emerson personality and to gain an increase in his power. With this new upgrade Dr. Polaris became a lieutenant for Neron during the Underworld Unleashed story line.

Infinite Crisis

In the first issue of Infinite Crisis, Polaris and other villains were awaiting the arrival of the freedom fighters. As soon as they entered Condor was killed, as was Phantom Lady. The human Bomb began to mourn and Polaris assured her death, this got the Human Bomb mad and so he used his powers and blew up Polaris, ultimately killing him.