Super Mega Cannon Sigma (SSJJ)

Dragon Ball GT
With the defeat of Natt; they are on the losing end while fighting Goku and as a result Nezi, Bizu, and Ribet fuse into Super Sigma in order to fight him. Trying to figure out Super Sigma's abilities; Goku initially holds back before going full power and destroying him with a Kamehameha.

Dragon Ball Advanced
With the deefeat of Ribet; they are on the losing end when Goku uses his full power and is even overpowered by his Kaio-Ken X2. After Bizu is damaged by Goku's x2 Kaio-Ken Kamehameha; all three of them fuse into Super Sigma.

Power
 Anime 

As result of his heavier body; Super Sigma is slower even after Goku said that he had an awesome punch. After releasing his true power in his base form; Goku uses a Kamehameha to destroys Super Sigma with a Kamehameha.

 Fanga

Super Sigma is still slower but is able to give a few "awesome" punches to Goku while in his Kaio-ken state, but was be able to match Goku briefly until he releases his full power and destroys Super Sigma with Super God Fist.

Techniques and Special Abilities

 * Hikou
 * Arms Extension
 * Super Sigma Aerial Attack
 * Sigma Sky Laser
 * Killer Drill Attack.

Flying Formation
After Goku's comment on his speed; Sigma enters his Flying Formation form as a response gaining the ability to fly and keep up with a suppressed Goku.