Ok, I've done some research in the Flash programming side to get that 'squiggle' effect for the character animations without drawing extra frames for it. I wish we could rotoscope actual people but the trouble is more than it's worth XD.
I've been flicking through JohnSu's dA again and Mike already knows this he uses the Displacement Map Filters and Perlin Noise to make that 'squiggle' effect on his artwork. I've found some tutorials on it so I'll start looking up soon because there's quite a lot of advance coding needed for it. I reckon once I crack it, we would be able to copy pasta the code onto all animations making it even more Hotel Dusk-y. Yay!
Only problem with reading the comments is that it seems to 'eat' a lot of CPU which is slightly worrying. I'm worrying if we can just tweak the code so that it'll only affect the animation artwork for a second or something and then it'll automatically loop. Will look more into this and possibly just ask JohnSu on dA lol.