Humanoid robot

A humanoid robot comprising:

• a body portion;
• a head portion provided to an upper portion of the body portion;
• a left arm and a right arm that have ends connected to the left and right at an upper portion of the body portion;
• a left foot and a right foot that have ends connected to the left and right at a lower portion of the body portion;
• and
• a left running unit and a right running unit provided to the other ends of the left foot and the right foot,
• wherein the left running unit has a left drive wheel on a front side of an advancing direction and a left follower wheel on a rear side in the advancing direction that can passively change an advancing direction,
• the right running unit has a right drive wheel on a front side of the advancing direction, and a right follower wheel on a rear side in the advancing direction that can passively change an advancing direction, and
• the left drive wheel, the right drive wheel, the left follower wheel, and the right follower wheel travel while being in contact with a ground.