Dragon Ball is no stranger to giving Goku a good number of rivals over the course of the story, but one can argue that Goku and Vegeta are both the best rivals for each other now that we are this deep into the story. However, for the longest time, Goku and Vegeta have been chasing each other, ever since the end of the Cell Saga, and all the way into Dragon Ball Super, getting the same transformations and the same power levels with one or the other falling behind.