Board Thread:Questions and Answers/@comment-33882374-20160706064105/@comment-25624223-20161009003226

1998 would make him 18. If he did age he'd be 17 right now and Darwin would be 15 because of their ages in 2011. So Gumball would of been born in 1999 while Darwin in 2001. While Anais would be 9 (2007). That'd be if they aged. Since they don't age, they don't have an exact date.