In DragonballZ we saw Goku killing Yacon, monster pet of Babidi and Kid Buu with Spiritbomb. These two are only which he killed himself. (Though Spiritbomb is made of all creature's energy).
Chat with our AI personalities
The villains try to exploit the fact that Goku doesn't want to see anyone getting hurt or killed. And when he was a kid people would grab his tale and he would go weak. He also can't fight as good if he is hungry.
Frieza does not get killed by Goku. Future Trunks is the one to kill Frieza.
The answer is........................................... simply no. Goku knows Super Saiyan 1,2,3, and 4, and Bardock never knew any of those.
goku turns into super saiyen after freeiza full power killed krillen. goku needs to get angry to turn into super saiyen
Two, Piccolo killed him in season 1 with a Special Beam Cannon, then Cell did in I believe season 6 when he blew himself up.