Simplify the following text for a Grade 9 native English-speaking person.
Original: The WB added the Kids ' WB programming block , following its launch , which mixed Warners ' biggest hit shows ( Tiny Toon Adventures , Animaniacs , and later Batman : The Animated Series , all of which originated either on , Fox Kids or in syndication ) with new productions and original shows .
Simplified: The WB also had a group of programs aimed at children under the name Kids WB . Kids WB showed mainly animated series , for example , Jackie Chan Adventures , Taz-Mania , Tiny Toon Adventures , Animaniacs , Pinky and the Brain and Batman : The Animated Series .