What art movements are these cartoons based on?

[WhitePinoy]

Hello I am a digital artist trying to develop their own style and I wanted to know what art movements I should be looking into to influence my art. These are a wide variety of styles, so even if they have nothing in common, I think it'd be nice to know the facts.

My Life as a Teenage Robot

Nickelodeon's The X's

The Modifyers