Anime fans love power-scaling debates, and Goku is the ultimate benchmark, but among Dragon Ball's non-canon foes, who is the strongest Goku-slayer?

In this form, Goku takes on a fierce, beastly appearance, with dark black hair and red fur covering ... his eyes filled Goku with an uncontrollable rage, which ultimately triggered his ...

including Goku. While he couldn't control his power just yet, this was the first clear sign that he had the potential to become even stronger than his dad. During this blind rage, he hit Frieza ...