Gogeta

Gogeta had his first appearence in Dragon Ball Z Movie: 12 Fusion Reborn. His first quote was "I am not Goku or Vegeta I am Gogeta. It's over Janemba I've come for you." Gogeta had a very strong yellow aura when he was created.

Gogeta reappeared in the series in the Shadow Dragon Saga of Dragon Ball GT as a Super Saiyan 4. As Super Saiyan 4's Goku and Vegeta fused to create Super Saiyan 4 Gogeta. Gogeta is the strongest warrior in the entire Dragon Ball Series.

He is the result of Goku and Vegeta doing the fusion dance.