You know Jimmy Neutron? Well before that show became a thing there was proof of concept known as Johnny Quasar. The were a couple of demos that were made but they were both lost... until now! Yesterday, the voice actor for Johhnny uploaded them to Youtube in their entirety. You can check em' out here:

1995 demo: https://www.youtube.com/watch?v=bqLMz3rM7Jc

1997 demo: https://www.youtube.com/watch?v=08qCKcRugzw

You can read more about Johnny Quasar [url=http://lostmediawiki.com/Johnny_Quasar_(partially_found_prototype_%22Jimmy_Neutron%22_animated_shorts;_1994-95)]here[/url].