Is Goku an Uzumaki?
He is
the Saiyan raised on Earth. He survived the Uzumaki massacre by being sent to a farm with two nice old people and was raised until he was a toddler then went on his own and trained with many new friends under the instruction of Master Roshi Sensei.
Does Frieza has a son?
Kuriza (クリーザ, Kurīza) is the son of Frieza. He appears in Nekomajin as an antagonist.
Is Neko Majin Z canon?
Frieza's son, Kuriza is 100% non-canon, but the Neko Majin Z character is still a neat addition to Dragon Ball lore. Neko Majin Z was a parody manga written and illustrated by Akira Toriyama about a cat-like alien confronting Vegeta and Goku. ...