Doctor Octopus

Doctor Octopus (performed by Alfred Molina) is the main antagonist of Spider Man 2. Dr. Otto Octavius was a brilliant man who had a dream to create a self-sustaining fusion reaction. He was infused with powerful robotic tentacle arms with artifical intelligence for demonstration. But the project failed, Otto's wife got killed, and a chip which prevents the arms from corrupting his mind gets distroyed. With the arms influencing his mind now. Otto plotted to do the experiment again and became "Doc Oct".