The Uzumaki family might be thrilled to have a new addition. Since Naruto is the last of the Uzumaki, having a baby would mean the continuation of the family. They would likely pass down their family traditions and stories to the baby. Kakashi would be his usual cool self but would also be secretly happy for Naruto. He might give the baby some cool ninja gifts as it grows up, like a special kunai or a book on advanced jutsu.
Sakura would be overjoyed. She's been Naruto's friend for a long time, and she would be excited to see him start a family. She might offer to be the baby's doctor and make sure the baby is healthy. Shikamaru would probably be a bit lazy about it at first but would come around and offer his strategic mind to help protect the baby if needed.
Iruka - sensei would be extremely proud. He's like a father figure to Naruto, and seeing Naruto become a father himself would bring tears to his eyes. He would be there to support Naruto and Hinata in any way he could, maybe even offer to babysit from time to time. The Hyuga clan would have mixed reactions. Some might be proud to have Hinata continue the family line, while others might be worried about the baby's connection to Naruto and the potential for political issues.
Their friends would be overjoyed. Sakura would probably be really excited and offer to help Hinata with any medical advice during the pregnancy. Shikamaru might give Naruto some practical advice on how to handle the added responsibilities. Kiba could be really happy and joke around about the new baby being a future ninja partner for his own pups. And Ino would be eager to plan a baby shower for Hinata, full of beautiful flowers and gifts.
Hinata's family would also have to deal with the emotional aspect. They love Hinata in her normal state, and now they have to adjust to this new form. They might start to remember when Hinata was actually a baby before and all the hopes and dreams they had for her then. Some of the more conservative members of the family might be more hesitant to let Naruto be around her, but the more open - minded ones could see that Naruto's presence is actually good for her in this state. And they would all be united in their goal to get Hinata back to her normal self.
Sakura would probably be really surprised at first. Since she was once in love with Naruto, it might be a bit of a shock, but she would also be happy for them. Sasuke might be more reserved in his reaction, but he would see Naruto's happiness and respect it. Shikamaru would likely be the one to make some sarcastic comments about how Naruto always manages to find himself in the most unexpected situations, but deep down he would be glad for his friend. Choji would be excited and would probably offer to share his food with the baby all the time.
The Salvatore brothers might be a bit protective at first. Damon would probably be skeptical about Kol being in the picture, but over time he'd warm up to the idea for Elena's sake. Stefan would be more accepting right away and offer his support. Bonnie would be excited and use her magic to make sure the baby is safe. Caroline would be all over helping with baby clothes and advice. As for the Mikaelson family, Klaus might see the baby as a way to strengthen his family's hold in the supernatural world, but also be protective in his own way.
Sakura would probably be a bit surprised at first, but then she'd be happy for Naruto. She might offer to help with the baby's medical needs. Kakashi would be his usual calm self, giving Naruto some sage advice on fatherhood. As for Konan's friends from Amegakure, they might be a bit more hesitant, but once they see how happy Konan is, they would come around and support the new family.
Sasuke would probably be initially skeptical but would come around. He might see the baby as a sign of Naruto's growth and stability. Sakura would be overjoyed and would likely offer to be like an aunt, helping with medical care if needed. Kakashi would be his usual laid - back self but would secretly keep an eye out for the baby's safety. The other villagers, especially the ones who have always supported Naruto, would see the baby as a new hope for the village and would celebrate the new addition to the Uzumaki family.
Naruto's friends from the Leaf Village would be overjoyed. Shikamaru might find it a bit troublesome at first but would soon warm up to the idea and offer his strategic mind to help protect the baby. Choji would bring lots of snacks for the new family. Regarding Winter's friends, they could be a bit more cautious, as they might not be used to the ways of the Leaf Village. However, they would gradually come to accept the situation and form bonds with Naruto's friends. The baby would be the center of attention, with everyone curious about its potential abilities.
Sakura would probably be a bit shocked at first but then be very supportive. She has always cared about both Naruto and Sasuke, so she would likely be there to help with the baby's medical needs if any. Kakashi would be the cool uncle type. He'd offer his wisdom and maybe some training tips for when the baby grows up.
Their friends would be overjoyed. Kakashi would probably be like a cool uncle, always ready with some wise advice for the new parents. Shikamaru might be a bit exasperated at Naruto's over - enthusiasm as a father, but still be happy for them. Ino would be excited to spoil the baby with cute outfits and toys, and Choji would bring over lots of delicious snacks for the new family to enjoy.
Their friends would probably be really surprised at first. Orihime might be super excited and start making all kinds of baby clothes and accessories for them. Chad would be happy for them in his quiet way, and Ishida might be a bit more reserved in his reaction but still offer his support.