Note that they are actually all a little different.Not only do they look different, if you watch their movies and TV shows they actually do have personalities that differ from each other. They can't help it. They are alive. Actors bring their own natural quirks to their roles.
Each boy has his own set of unique expressions and gestures and timings. It would take a super bland and mean director to beat the human nature out of them.
Many of these boys actually had some considerable talent and showmanship.
Some are just plain weird-even though they are supposed to be "normal".
Opie was actually really funny in the first couple seasons of Andy Griffith. He has all kinds of unique and funny reactions. Lots of natural charm.
So far, all these boys are supposed to be your regular every day average "normal" boy next door, but like I said, they are all quite different despite what the writers and producers might want. It's impossible to be the exact middle of anything in nature.
More Specific Boys
Now these boys are very definitely unique. They also appear in movies as the character we are supposed to "identify with". The fact that they are distinct personalities with unique looks and mannerisms did nothing to dull their considerable popularity.
This kid is still quite an entertaining character! Charisma and personality is not a thing to be avoided. It's GOLD if you are lucky enough to recognize and capture it.
Who doesn't love Alfalfa? Do you see yourself as him? Do you aspire to be Alfalfa? probably not too many do. But most people love him.
Except when he gets "undertured" in animation of course. The bland tradition of animation kills even the most charismatic of iconic characters! Who said animation is caricature and exaggeration? Not the folks who argue for blandness on this blog!
Millions of kids must have aspired to be a fatty at one time.
This little fellow is famous everywhere but America for some reason.
Note that in live action, girls have different features than boys.
Not in cartoons though
ANIMATION LOVES BLANDNESS
It's sort of impossible in live action to find a real live human that's exactly in the middle of all boys in the world - hard though some try... Only animation with its limitless imagination can achieve Plato and Walt's ideal of full averageness.Add glasses to the stock design of a bland and you get the bookish bland.
A tan bland.
Angular bland
Crotch reveal bland
Here's what happens when live action "Normal" boys grow up.