Possibly, it is just because she is not a "cartoon person". Many people simply aren't. My wife has a fantastic sense of humor, but she is not a "cartoon person" - print or animated. I wouldn't put too much weight on the fact that your girlfriend is critical of it.
some people think it's childish
These teens & adults probably think you are too old to watch these or they think that those shows are stupid. Or possibly they are just being immature.
Atomic Cartoons was created in 1999.
Well as of now all I know that Atomic Betty cartoons will air in season 4 of Atomic Betty.
It's getting old and really Atomic Betty? omg get real
A demonstration to impress the Soviet Union
There is no season 4 of Atomic Betty, because Atomic Cartoons is producing an equivalent called Atomic Betty Redux
Because of the new line of cartoons coming up
No, anyone can watch cartoons at any age
a demonstration of power designed to impress the soviet union
Yes, it will! It will be a U.S./Canada co-production, featuring uncensored humor and others. It will feature anthropomorphic animal characters, whose humor is either censored or uncensored. It is reportedly in development by Atomic Cartoons, just like with the pre-teen show format revival of Atomic Betty.
maybe