1. The Legend of Korra
2. Young Justice
3. Avatar The Last Airbender
4. The Simpsons until 98
5. Doug (excluding Disney)
6. Rugrats (until 98)
7. Samurai Jack
8. Justice League / Justice League Unlimited
9. Courage the Cowardly Dog
10. ????

10 I'm not sure what should go there. I feel I should give a shout-out to the old school. Looney Tunes, Tom & Jerry, Scooby-Doo or somebody, but I haven't watched any of those in years.

Edit: Wait are we including anime in this? I thought it was specifically cartoons and not just tv animation.