This is going to be difficult.

1) The Simpsons
2) South Park
3) Ren & Stimpy
4) Clone High
5) Batman: The Animated Series
6) Batman of the Future
7) X-Men
8) Animaniacs
9) Ducktales
10) Freakazoid

11) Tiny Toon Adventures
12) Family Guy
13) The Tick
14) Daria
15) Jem