Cartoon Network

Cartoon Network (often shortened to CN) is an American cable television channel owned by the Kids, Young Adults and Classics division of Warner Bros. Entertainment, itself a subsidiary of AT&T's WarnerMedia through its Studios and Networks Group division.

Why it Rocks
Great idents.

It had a lot of the good shows such as The Powerpuff Girls, Hi Hi Puffy AmiYumi, Gumball and Mad.