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Jupiter (ジュピター Jupitā?) is one of the second four Stardroids that Mega Man must fight in Mega Man V. He is a Robot Master equipped with a jet engine that allows him to fly. In ancient times he was equipped with several megaton grade bombs, but feeling they were too dangerous for him indoors, he modified them to channel energy for his main weapon, the Electric Shock.


Jupiter's pattern is very simple and easy to avoid. He starts the battle by flying and hovering over Mega Man and after a short time he fires the Electric Shock, a large and powerful beam of electricity (being invincible while doing so) and then four small sparks that go diagonally in different directions each that do minor damage. He finishes the pattern by diving over Mega Man to make contact with him. Every one of his attacks can be avoided by just getting out of the way. His weakness is the Bubble Bomb, which can float up and explode on Jupiter even when he is flying high. However, he is still invincible to it when he is using the Electric Shock. Bubble Bomb can defeat Jupiter in seven hits.


Mega Man & Bass CD data


Stage enemies

Jupiter mug

Jupiter's Stage Selected Screen in Mega Man V.

Enemies in Jupiter's stage:

Damage Data Chart

Amount of damage in units that Jupiter will receive from each Special Weapon from Mega Man V.

Mega Man V

Mega Buster/Arm Grab Buster Bubble Bomb Photon Missile Electric Shock Black Hole Deep Digger Break Dash Salt Water Spark Chaser Tango
1:3 0 3 1 0 0 -- 2 2 1 1

Other media

Mega Man (Archie Comics)

Jupiter is revealed to be a creation of the diabolical Ra Moon, who after its defeat by Mega Man sends a signal to the Stardroids informing them of its demise.

Mega Man Gigamix


Jupiter in Mega Man Gigamix

In the manga Mega Man Gigamix, the Stardroids are powerful space robots that are attacking Earth, destroying several robots in the process, Jupiter defeating Wind Man. Jupiter and Venus later attack Dr. Light's Laboratory, fighting against the robots present in the local. At first they have advantage over Light's robots and Shadow Man, but for Jupiter's surprise, Duo appeared and destroyed Venus without effort, retreating.[1] He was eventually destroyed in space by a repaired and upgraded Mega Man.

Other appearances


Jupiter cameo in the Rockman & Forte manga

Jupiter has a cameo appearance as one of the robots in the Robot Museum in the manga Rockman & Forte.


  • Jupiter is named after the planet Jupiter, which is named after the Roman god of sky and thunder of the same name, fitting his ability to fly and use electric attacks. Also, the eagle is one of Zeus's symbols, so Jupiter's avian design may also be referencing this.
  • Jupiter's quote from his Mega Man & Bass CD data may be referring to Gyro Man. Strangely, the two have never encountered each other.
  • The reason why Jupiter is weak to the Bubble Bomb may be related to him feeling that explosive weapons are dangerous for use indoors, just as his megaton grade bombs were from the beginning. It could also be referencing the classic concept of "water and electricity don't mix".


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