His father might be extremely proud. After all, Goku has achieved so much, like protecting the Earth multiple times. He would look at Goku with admiration for his strength and kindness.
He could be a bit shocked at first. Goku has grown up in a completely different environment compared to what his father knew. But then he would quickly warm up and start sharing his knowledge and experiences with Goku. He might see Goku as a hope for the future of the Saiyan race, considering Goku's pure heart and great power.
Goku's reaction could be a mix of shock and happiness. On one hand, he never expected to actually meet his parents. On the other hand, he has always longed for a family connection. He might start asking them a million questions right away about their lives, Saiyan culture, and what it was like when he was born.
Well, Goku is a Saiyan, and Saiyans have a strong sense of family deep down, even if they don't always show it. When he meets his parents in this fanfiction, he could initially be in disbelief. But once he realizes it's real, he would embrace them wholeheartedly. He may even start to show off his strength and skills a bit, like a child showing off to his parents. And he would be excited to hear stories about their Saiyan race and how they ended up in the situations they did.
He would be extremely excited. Goku has always been curious about his parents, so he'd probably have a big smile on his face and lots of questions to ask them right away.
At first, Goku might be a bit shocked. But then, his natural friendly and curious nature would take over. He'd be eager to learn about her, about his family. He could show her all his cool moves and tell her about his friends on Earth. And he'd be really happy to have a family connection that he's been missing all this time.
When Goku meets his family in fanfiction, his character could develop in terms of his emotional intelligence. He would learn to better express his love and care for his family members. For instance, he might become more patient with his sons' training, understanding that they need more guidance and support rather than just tough challenges. Also, he could become more protective of his family, having seen all the dangers out there in his adventures.
Chi - Chi might also be heartbroken. She loves Goku deeply despite his flaws. In fanfiction, she may initially be in denial, thinking that Goku will come back soon. But as time passes, she realizes that he may not return, and this could lead to a deep sense of sadness and loneliness. She has to then figure out how to raise their children on her own.
Anakin might be shocked at first. After all, he may not have expected to ever meet his father. He could be hesitant and full of questions.
Izuku might be shocked at first. After all, he has grown up without his father. But then he could be filled with a mix of emotions like joy, confusion, and anger all at once.
He might be shocked at first. After all, he has probably only heard stories about his father. Then he could be angry, blaming his father for not being around when he was growing up.
In fanfiction, when Goku meets his father, they might have an epic training session together. His father could teach Goku new and powerful techniques that he hasn't learned before, enhancing his already incredible strength.