|Debut||"Giru's Checkered Past"|
|Date of death||Age 789|
"Why can't we kill him commander? It isn't fair! It is like an itch you cannot scratch!"
Along with the 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.
- Hikou – The ability to fly without the use of ki. Ribet also uses this to perform flying headbutts.
- Liquefy Ability – The ability to liquefy and go through metal.
- Super Explosive Wave – A wave of energy more powerful than the simple Explosive Wave. The four Sigma Force members use it in combination during their first encounter with Goku, Trunks, and Pan.
- Ribet Rocket – Ribet has a small rocket launcher in its chest cavity which he used against Goku. He calls the name of the attack while performing it.
- Super Mega Cannon Sigma – The ability to join with the bodies of the other members of the Sigma Force and fuse into one entity.
|The Machine Mutants|
|Leaders||Baby • Dr. Myuu • General Rilldo • Giru|
|Sigma Force||Commander Nezi • Bizu • Natt • Ribet • Super Mega Cannon Sigma|
|Luud Cult||Cardinal Mutchy Mutchy • Dolltaki • Leon • Luud • Para Brothers • Unnamed Mercenary|
|Related articles||Para Brothers' spaceship • Planet Luud • M-2 • Dr. Gero • Hell Fighter 17 • Super 17|