Cao Zhou was obviously used by Mojas to rob the artificial man made by Omnitrix, and was called his son by Mojas.
As a result, he lost his memory after landing on Earth and became a dutiful son! The father's kindness and son's filial piety have begun!
"Why are you asking me if I would be sad if I used the power given to me by my loving father to copy the genes in the Omnitrix to fight back against my loving father?"
"How come I am called a loving father and a filial son? If you don't believe me, ask my dad."
Mojas had been beaten until he could not speak.
"..."
