Dr Doom

A brilliant scientist, Doom was once a classmate of the Fantastic Four's Reed Richards. However, he became embittered by his jealousy of Richards and by facial scars received from an experiment gone awry.

Hawkman

Hawkman was Carter Hall, a reincarnation of an ancient Egyptian prince, who had in the modern day discovered that the mysterious "ninth metal" could negate the effects of gravity and allow him to fly. He donned a costume with large wings to allow him to control his flight and became the crimefighter, Hawkman. An archaeologist by trade, Hall uses ancient weapons from the museum of which he was curator in his efforts