Bardock

Resistance Saga: 1
Bardock was the commander of his own unit until Frieza betrayed the Saiyans and his entire crew was killed. After surviving the attempt on his life by Dodoria, Bardock went back to Planet Vegeta to warn Gine about the planet's destruction. After escaping the planet the two set out in search of other survivors to build a resistance against Frieza. After much searching they manged to find their eldest son Raditz as well as Nappa and Vegeta. Together the five Saiyans train and plot together to one day kill Frieza for what he did to their planet and race.

Resistance Saga: 2
After training in secret for 17 years with his fellow Saiyans Bardock believes that they are nearly ready to begin their assault against Frieza's Empire. However before they go Bardock thinks it would be smart to go and get his other son Kakarot to help them. After some discussing they decide to have Raditz and Gine go and get Kakarot while Nappa, Vegeta and himself all stay behind to train more and figure out where to attack first.