Otto Octavius is a genius in the field of atomic physics, and he holds a Ph. D. in nuclear science. A brilliant engineer and inventor, he is also a superb strategist and a charismatic leader. His genius in radiation is so exceptional that he was once called upon by Mister Fantastic of the Fantastic Four to offer his expertise when the Invisible Woman suffered from complications during her second pregnancy as a result of the cosmic radiation that had given the team their powers.