Raditz's arrival in Dragon Ball introduced aliens, shifting the series towards more sci-fi concepts over mysticism. The ...

destroying the Tuffles and their civilization, allowing the Saiyans to dominate and conquer Planet Plant. One of the major conflicts within the Dragon Ball universe is the Saiyan-Tuffle War.

Dr. Raichi is one of the only survivors of the Tuffles, a race that once lived on Planet Plant before the coming of the Saiyans. The Saiyans not only massacred the entire Tuffle race, but also ...