@@benjaminbonser2505 a lot of the characters who have special quotes never interacted in the real show (18 & Zangya for example). thats kind of the point
You gotta remember that Goku himself at first didn't know his Saiyan name, and considering how Goku is *EXTREMELY* forgettable, he probs forgot to mention it to Goten.
Chichi is Goten's mother, and by extension, Gohan's mother because of her marriage with Goku. So Goten will automatically know that's his mother Chichi from the past by looking at her.
Gotten, what's a Kakarot oh wait you think that I'm your son no sir I'm Goku's son Goten and wait are you my Grandfather because he looks like you Bardock, so you're my Grandson and Kakarot is your father so Goten let's battle and see