Jimmy Neutron
When I saw the trailer for the original movie I thought it was a crummy CGI heavy, writing light piece of fluff. When I saw that they were going to have a series based on the movie I thought it would last a few episodes and then be forgotten. After all series based on lousy movies are not any better. I have to admit that when I actually caught this full 3D story of a ridiculously intelligent kid who keeps getting tripped up by his own hubris I was pleasantly surprised. OK it is not Pulitzer prize writing but the stories are amusing and they keep putting in details, references to films or other shows, and strange quirks that keeps you on your toes. I have grown to like it. The movies where Jimmy and Timmy from Fairly Odd Parents visit each others universes are really fun.
Jimmy Two Shoes
Jimmny lives in a town called Miseryville run by an evil businessman. His little sister is an evil scientist. His friends are strange, not too bright monsters. Through it all Jimmy is always happy, upbeat, and playful no matter what life and his sister try to do to him. Mildly amusing.
Johnny Bravo
The (mis)adventures of a shallow himbo (male bimbo). Though it had some promise, when they started having celebrity guest stars it was obvious they were running out of ideas. OK, I know they were trying to parody other series that did the same but without a solid storytelling foundation it does not work. Then the scripts just became repetitious.
Johnny Test
A kid of indeterminate age deals with all sorts of baddies plus school. His two genius sisters invent things in their lab to help him, and his best friend is his dog who can talk. It could easily have ended up being typical pabulum for the after school crowd but it actually is a cut above. The stories are silly but fun. There are lots of self conscience jokes. `That was Convenient`. Overall they did a decent job on an amusing show.