User blog comment:The Awesome Jack/A Rant of Ben 10: Omniverse/@comment-8988338-20140707193940/@comment-4952704-20140710070757

Ben's personality makes me wanna cry. I'm pretty sure 10 and 11 YEAR old Ben is more serious than 16 YEAR old. And to be fair, UA didn't do much development with his character. OS and AF did the most, anything Ben did that was childish in OS made sense because he was 10.