Sigma Force Cannon

The Sigma Force Cannon (スーパーΣ（シグマ）, SūpāΣ [shiguma]) is the fusion of the Machine Mutant robots Nezi, Ribet and Bizu. With the death of Natt, the others Sigma Force fuse to become the Sigma Force Cannon when trying to defeat Goku. It may seem to have Goku worried, but in reality Goku was holding back, trying to figure out Sigma Force's moves and fighting style like they did with him. He then went to his full power and defeated them effortlessly.

The Sigma Force Cannon appears as a boss battle in Dragon Ball GT: Transformation.





















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Ribet (Ribeto)

Ribet is a Machine Mutant who, along with his partners Nezi, Natt and Bizu, make up General Rilldo's top mercenary team, the Sigma Force.
Along with other mercenaries Nezi, Natt and Bizu he is usually called upon by Dr. Myuu when he calls for progress and results. Ribet and the others have the ability to fuse their bodies to form the Super Mega Cannon Sigma.

With the death of Natt, Ribet and the others fuse their bodies to beat Goku, but they are easily beaten by him.












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Natt (Natto)

Natt is one of the members of General Rilldo's top mercenary force, the Sigma Force. They are called upon when Dr. Myuu demands "results".
When General Rilldo realizes Pan is in the base, he sends Natt to deal with her. The robot seems to be winning with ease, but then Pan figures out he can only predict moves she has done before. She combines some of her moves with Goku's, and then destroys the robot using her Maiden's Rage technique.

With his destruction, Natt cannot participate in the fusion to make the Super Mega Cannon Sigma.


















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Bizu

Bizu is a Machine Mutant created by Dr. Myuu and part of the Sigma Force. His original name is derived from 'vice', a piece of construction hardware which was dubbed as 'Bizu' for the English release of Dragon Ball GT.
Bizu is the Machine Mutant invention of Dr. Myuu, a Machine Mutant himself. He, along with Commander Nezi, Natt, and Ribet make up the Sigma Force, who are called upon whenever Myuu demands "results." Bizu and his comrades have the ability to join their metal bodies into an even more powerful soldier, the Super Mega Cannon Sigma.

Even after joining their bodies, Bizu and the others members of the Sigma Force are beaten by Goku (excluding Natt, who is beaten by Pan).
















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Commander Nezi

Commander Nezi is a Machine Mutant, and the leader of the elite Sigma Force.
Nezi, Natt, Ribet, and Bizu make up General Rilldo's top mercenary force, the Sigma Force. They are called upon when Dr. Myuu demands "results." Similar to the Pilaf Machine, Nezi and his elite have the ability to join their metal bodies into an even more powerful soldier, the Super Mega Cannon Sigma. This form is a fusion of the Sigma Force. They have a large variety of moves, such as eye beams and drills. They are easily beaten by the enraged Goku.
































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Rilldo

Rilldo is Dr. Myuu's general and the commander of planet M-2. General Rilldo's first form is used for hiding his true power. His true abilities lie in his transformations. Rilldo can transform twice each time slowly showing off his true power. In his second form, he is just as powerful as Goku's Super Saiyan form in Dragon Ball GT. In his final form, he is a lot stronger and his full power is shown.
General Rilldo appears as a machine mutant created by Dr. Myuu, who appears to be the leader of Myuu's Machine Mutant armies. When Goku, Pan, and Trunks arrive on the planet M-2 with Giru, Rilldo sends the Sigma Force to capture them.
The Sigma Force were defeated by Goku, leaving Rilldo to take care of the two by himself. Using his Metal Breath that turns things into metal, Rilldo captures Trunks, but is still defeated by Goku. After combining with the remaining scraps of the Mega Cannon Sigma, Rilldo powers up to his Meta Rilldo form, forcing Goku to transform into a Super Saiyan to fight him properly. As Goku begins to gain the upper hand, Rilldo transforms again to allow him to fuse with any metal on the planet and make him nearly invincible.
While the trio try to leave the planet M-2, Rilldo stops them by grabbing hold of the Grand Tour spaceship. Trunks tries to reason with him, saying he was nothing but a pawn in Dr. Myuu's games, just an inferior being that would be shut down once his plans with the other creation Baby were complete. Rilldo refuses to listen, however, the three fire a combined Kamehameha attack, that easily kills the un-transformed Rilldo.

It is later revealed that Rilldo was in fact under control of Baby.
General Rilldo, along with the other villains, escape from Hell, thanks to Myuu and Dr. Gero. He is first seen chasing Pan and Mr. Satan, only for them to be saved by Gohan. The two end up fighting, with Rilldo easily gaining the upper hand. He is even successful in encasing Gohan's arm and leg in metal. He nearly kills Gohan, but is killed by a sneak attack from Majuub.

 Rilldo forms

1.General Rilldo

2. Meta Rilldo

3. Hyper Meta Rilldo

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