User blog comment:PlantyThePottedPlant/Random Topic Blogging III: Blog Harder/@comment-3006892-20130512072002/@comment-3395649-20130513014756

I'm of the theory that Phineas and Ferb are currently 10. Quantum Boogaloo states that at that time they were thirty, and as you say, they've likely done more than one thing a day.