1999

• multi-tentacled, metallic clawing killing machines
  – covered with red spider-eye-like lenses
  – manipulative, crab-like arms and tentacles w/ gripping, razor-sharp claws
• lethal, fast-moving mechanized nautilus
• resembling squids or octopi
• patrolled the ancient passageways and sewers of the dead human cities
• floated on anti-gravity generators
• EMP (Electro-Magnetic Pulse) was able to repel the Sentinel

“a killing machine designed for one thing…Search and destroy.