User blog comment:PlantyThePottedPlant/Random Topic Blogging II: Electric Blogaloo/@comment-5495184-20120202204358/@comment-3006892-20120202223050

@Pixel: I know that. But they don't act it, so I usually don't count that fact.

And fine, it's not "a joke", but it's taken a lot less seriously then Phinferb is by some people.