Bubukan

Bubukan (ブブカン) is a pole vaulter robot enemy from Snake Man's stage in Mega Man 3. They where originally created by Dr. Light to participate in the Robot Olympics. Bubukan polevault over Mega Man and then run back. The base of their pole vault is invulnerable to attack and shields them while they charge Mega Man.

Bubukan MK-II
Bubukan MK-II is a variety of Bubukan that appears in Snake Man's stage in Mega Man III. They don't have a pole, but the upper part of his body can jump over Mega Man.

Trivia

 * Bubukan may be based on the Ukrainian pole vaulter Sergey Bubka.