What movie/tv show role is the avatar above you?

[ITADAKIMASU NOM NOM]

The heroine who rides her magic flying unicorn and throws lightning bolts at bad people.

@Chetza: I don't even know who that is. ^^; I'm thinking all the way back to '01, and she was featured in an '02 episode, the show was cancelled shortly after. She only starred in the Valentine's Day episode only, but was planned for more appearances.
And now, it's time for...
The...FIRST POST EXTRA HINT! -Oooh-
The creator of the show has worked on many other projects, including Mindless Self Indulgence's Shut Me Up music video, which he directed.  

[Pure Rose Artemis]

in the mentor class xd the character who nobody knows if they're the villian or the friend mrgreen someone who is on no ones side, but helps out hero/heroine from time to time 3nodding  

[du Mort]

Assassin sent to attack the main character

 

[Pure Rose Artemis]

the old hero who is desquised 'cause he doesn't do the hero business anymore, but helps/trains the new ones mrgreen  

[Garynook]

The apprentice  

[Pure Rose Artemis]

(cool beans mrgreen )
the guard; a person who is entrusted with a great responsibility razz  

[Garynook]

The student at a renowned magic school and her pet dragon.  

[Bikki Kobayashi IV]

a strangely dressed mad gunman  

[Garynook]

That crazy girl from Kill Bill.  

[Jewel Of a Monster]

Annoying character who works with the villain but later killed by the villain because they are not needed anymore.  

[Senzura]

Character that thinks their all that  

[Garynook]

The lil kid who wants to be just like the hero.  

[SinginginSilence]

The gang leader  

[Garynook]

The charming lady that can pack a punch.  

[SinginginSilence]

King of the Streets