Adhering Suzy

Octopus Battery is a adhering barricade robot.

Octopus Battery
Octopus Battery (くっつき スージー Kuttsuki Su-Ji-, Suzy in Japan) is a adhering barricade robot that goes back and forth from the same location. It appears in Cut Man's, Bomb Man's and Ice Man's stages, as well as the second and third stages in Dr. Wily's castle.

Giant Octopus Battery
Giant Octopus Battery is a boss from Mega Man III. It can go to any direction and jump.

Octopus Battery G
Octopus Battery G is a new version of Suzy in Mega Man 5. It is mainly in Gravity Man's stage, and flips when you flip (i.e. change gravity).

Octopus Battery (X series)
The X Series Octopus Battery makes its debut in Mega Man X4, though they also appear in the final Sigma stage in X5, albeit briefly. They extend their appendages to walk about, and then stick sideways with respect to the player so their green eyes can shoot.