Both of Goku's sons are heroes; i.e. good. Therefore, Goku's evil son has no name, as neither of Goku's sons are evil.
Goku's second son is named Goten. He is Gohan's younger brother.
bardock
his name is howzat
Goku's father's name is Bardock.
Last Sons of Evil was created in 2001.
Kakarot
Scott Evil
Gohan and Goten. In af (Fan made) he has a boy named xicor, but xicor isn't real.
The name of Goku's mother is Kanza.
Son. His full name is Son Goku.
Gohan has a daughter, Pan and she had a son/daughter which was never shown, and her daughter/son had Goku Jr.
No its how they call him in Japan Son-Goku -Giga Drill