This is my score for Emmett from Gunpowder, and judging his craziness and need for attention, it fits him quite well. Of course this test doesn't take Gunpowderlike insanity in mind, but it does fit quite well. He really is an extreme extrovert.
Here's the one I did for Sophia from Gunpowder, and I got ESTP (The Entrepreneur). I was pretty sure I would get this, because I based her on this personality type :D Very similar to Emmett too as I expected, only Sophia is more on the Turbulent side (i.e. while Emmett is carefree asshole Sophia is a success-driven overly-worrying asshole)
Interestingly, I did this for my psychopath. I answered José's test with the idea that he has a fairly major mood swings but mostly monotonous, he's calculating and introverted extremely. He got INTJ - Architect.
He got Introverted: 45%, Intuitive: 20%, Thinking: 97%, Judging: 21%, Assertive: 34%.
I did one for Jebediah from Gunpowder. Which I mean, most of the questions he would respond to by just shooting the person in the face and trying to figure it out later. But I got ESTP-A for him. 63% Extraverted, 47% Observant, 53% Thinking, 72% Prospecting and 40% Assertive.