Just some top six favorites in different categories.

Ninja:
6. Kai
5. Jay
4. Nya
3. Lloyd
2. Zane
1. Cole

Elemental masters:
6. Karlof
5. Neuro
4. Ash
3. Shade
2. Acronix (I don't think he was supposed to be evil in the first place)
1. Griffin

Villains:
6. Nadakhan
5. Chen
4. The Skull Sorcerer
3. Garmadon
2. Krux
1. Morro

Side villains:
6. Killow
5. Nindroid
4. Cryptor
3. Flintlocke
2. Ghoul-Tar
1. Skales

Side characters/protagonists:
6. Cyrus
5. Pixal
4. Benthomaar
3. Vania
2. Dareth
1. Okino

And enjoy Blooper #12.

Everyone: *fighting the Vermillion.*

Jay: STOP! Where's Ash?

The others: *stops and shrugs.*

Kai: I found her. *Points to Ash, who is wearing and outfit like the twins.* Ash, what are you doing? Come on.

Ash: Sorry guys. I've gone to the dark side.

Kai: Why?

Ash: CUZ THEY HAVE COOKIES! *Krux hands her a cookie.*

Everyone takes a break to have a snack.