Coco basically listed half of mine:
Dexters Labarotory
PowerPuff Girls
Courage the Cowardly dog (hehe eaustace bags)
Spongebob (Still watching that aswell)
Fosters home for imaginery friends
American dragon
CyberChase
Scooby doo
Fairly Odd Parents
Lucha Libre
Billy and Mandy
Catscratch (Was one of my favorites)
Invader Zim
Tom and Jerry (Still watching the new one)
Ren and Stimpy
Lilo and Stitch
Recess
Chalk zone
Robotboy(LOOOOVED THIS)
Chowder (Still watching it)
Camp Lazlo (another favorite)
Ed Edd and Eddy (still watching it for fun)
Codesname Kids next door
Dave the Barbarian
CatDog
And the first pokemon although the new one rocks too
I left a bunch out but these r what I remember off the top of my head.