Brock is a Saiyan who meets Bardock and Cade in Part II of Chapter one in the breakout scene. He joins there quest, helping them upon fighting Coola.
You're Death Is My Happiness!
A technique where Brock punches the enemy multiple times, and kicks him away. Bardock and Cade then jump in, charging there most power move, and finishes him off with it.
A technique where Brock kicks and punches his enemy, then finishes them off by holding a punch at there chest, like Vegeta in DBZ, Namek saga, sending a Ki Blast through there armor.