Welcome to Phineas and Ferb Answers. What would you like to know?

Possibly Frank

It is in fact short for Ferbs, what he is called at the end of "Act your age", and I think one of the creaters put it on Twitter and that is how we know, it should say on his page on the wiki.

I don't cause commotions

I am one

12:12, December 5, 2015 (UTC)

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