Vegeta: What?! Super Saiyan 4? How is that even possible? I thought Goku already broke all the limits with Super Saiyan Blue. Piccolo: This new transformation seems interesting. But will it be enough to face the powerful enemies we've encountered so far? Gohan: Dad, this Super Saiyan 4 form looks amazing! I can't wait to see you in action. But are there any drawbacks or side effects? Krillin: Wow, Goku keeps surprising us with his transformations. I wonder if I'll ever be able to catch up. Android 18: Another transformation? I hope Goku knows what he's doing. We've already seen so many different forms; it's getting hard to keep track. Tien: Super Saiyan 4, huh? Goku never ceases to amaze me. I wonder if I can learn something new from him. Bulma: Super Saiyan 4? That sounds incredible! I need to analyze this transformation and see if it has any potential for new inventions. Trunks: Dad, you're always evolving! Super Saiyan 4 looks awesome, but are there any new techniques you've learned too? Goten: Woah, Super Saiyan 4 sounds cool! Can Gohan and I achieve this form too, someday? Chi-Chi: The only thing I care about is whether Goku is keeping his promises and helping with household chores. Beerus: Super Saiyan 4? Hmph, it might be strong, but it won't make Goku any less annoying or challenging to defeat. Whis: Goku's mastery of transformations never ceases to amaze me. Super Saiyan 4 is undoubtedly a new level of power. Frieza: Super Saiyan 4, you say? It seems like I'll have to resume my training soon if I want to keep up with Goku's continuous growth. Overall, the Dragonball Super characters are intrigued and excited by Goku's Super Saiyan 4 transformation, acknowledging the immense power it must possess. They look forward to witnessing Goku's strength and its potential impact on their battles against formidable foes.