Board Thread:Questions and Answers/@comment-9947288-20130603183821/@comment-4848837-20130607154254

TeQuatro wrote: Grandpa Max is 49 1/2 years or 50 1/2 years older than Ben and Gwen? 49 1/2, I believe (while Ben turned 10 in the in-show December before Ben 10 started, Max was still 59 1/2 after his mid-summer birthday).