BigRobot Mk.2, which creates the body motion of a giant, is described. The robot has 10 actuated joints so that it can emulate the body motion of human. A pilot rides on the top of the robot and it moves according with walking action of the pilot. This function provides the pilot to the body sensation that is extended to an 8-m giant. The basic design, implementation, and performance evaluation of BigRobot Mk.2 are presented.