Introduction.- Historical and Modern Perspective of Walking Robots.- Design and Optimization of Hydraulically Actuated Hexapod Robot COMET-IV.- Kinematics, Navigation and Path Planning of Hexapod Robot.- Position Based Robust Locomotion Control of Hexapod Robot.- Force Based Locomotion Control of Hexapod Robot.- Impedance Control and Its Adaptive for Hexapod Robot.- Tele-operated Locomotion Control of Hexapod Robot.- Fully Autonomous Locomotion Control...