User blog comment:SSWerty/Dragon Ball ST/@comment-1668079-20100615045048

Initially, all characters will be around the same level of strength, though obvioulsy transformations will be more powerful than the previous form. Through customization, you will be able to make any character the strongest, even Chiaotzu. Probably though, either SS6 Goku, SS6 Serroli (Good), SS6 Vegeta or Ultimate Dark Kai would be strongest without customization.