Omega Shenron also better known as "Super One-Star Dragon" is the transformed form ofSyn Shenron, the last of the sevenShadow Dragonsand the final antagonist ofDragon Ball GT. Omega Sheron's powers have risen to unimaginable levels, and he is able to overwhelm even Super Saiyan 4 Goku. In this form, he uses all of the combined skills of the seven evil dragons, and he can amass his negative energy into a powerful finishing attack.