Cool. A fun fact indeed.
I love how there is a black question mark running through the entire strip.
What she really wants to know is how can she get Casanova Norm to come out and play.
My guess is that “Child Norm” is the prototype on which all other “Norms” are built (Crash Test dummy Norm, Old Man Norm, Action figure Norm, and (my personal favorite) “Smart Guy Norm.”
A mystery this is.