Board Thread:New on Ben 10 Wiki/@comment-24579099-20140701182447/@comment-34326521-20141013182600

Zenoseiya wrote: Blaziken rjcf wrote: Ultimatewrath wrote: yeah your right he is any age between those two ages but he just looks 13 How could you even tell? There have never been any 13 year-olds on any of the series that I can recall. He could just as easily be 12 or 14. We saw Kevin at ages 12 and 13.

No. We saw Kevin at age 11 and 12. He's one year older than Ben and Gwen, and Ben and Gwen were never shown as 12 year-olds.