Azula is from what cartoon?

Avatar: The Last Airbender.

King Poseidon

Zaheer.

Mr. Crocker

Zaheer is from avatar too?

The sequel series, The Legend of Korra.

Oh

1. Plankton

2. Shredder

3. Denzel Crocker

4. Zim

5. Black Cuervo

6. Technus

7. Rattlesnake Jake

8. Azula

9. Armagedroid

10. Beautiful Georgeus

Here are my top 10 favorite Nickelodeon

1. Princess Mandie

2. Vlad Plasmius

3. Walker

4. Plankton

5. Burger Beard

6. Dennis

7. Dan Phantom

8. Drex

9. Barge

10. Time Jerker