Board Thread:New on Ben 10 Wiki/@comment-24579099-20140701182447/@comment-34326521-20141011091940

Zenoseiya wrote: Given the emphasis on theme numbers in the show, he's probably around 13 years old. He's entered the gangly teenager phase but his voice hasn't cracked yet. Given that he's Ben 23, that would make him 23 years old; not 13.