Arik_the_Red: Looks pretty good so far. The hands perhaps might need a bit of extra work to them. I think the skinny geek thing might work out since it could supplement the design of my steampunk girl (details below). He could be a genius-type that's far smarter than the rest of the bunch, but too lazy and carefree to show it, most times.
Ensoniq5: I agree with $imon regarding the addition of more hard lines in the body. Otherwise it's a good start and I can imagine it being used by some high-and-mighty corporation executive.
$imon: Ok, here's what I figure would be a good sidekick to the main character...
The main character seems to be a very carefree unresponsible person. So naturally he needs someone to keep him in line.
Liddy is a very tall, overly serious mechanic girl in her mid-20s. She's so serious and takes things so literally that it's comical, and often checks up on the main character to make sure he's not dead in a ditch somewhere. I'd say she's about 8' tall. In contrast her garage and home is slightly below average in size, so she has to stoop everywhere. Considering her height she's also got a bit of brute strength and often saves the main character from different scrapes and tough situations. Smarts-wise she's average, and therefore refers to the main character when tough tasks come up; she's also one of the only ones that realizes the main character's true potential. She's a bit clumsy in that she acts like she's the size of a regular girl, so she knocks into things or tries to get into impossibly small places (for her).
There'd need to be drums of lubricant grease, an indoor crane/pulley system to lift heavy objects, and the tools need to be organized on pegs on the walls. The tools would be an assortment of wrenches, hammers, screwdrivers, bolt cutters, crowbars, clamps, a big steam-powered hand drill, etc. She'd probably have an assortment of pipes in a barrel and other valves and doodads on shelves. She's so big that she'd knock into any desks laying around, so there's only one tiny workdesk in the back with a stool. Add in steam technology and that's about it.
Cleanliness-wise she keeps things organized and clean all the time (attributed to her serious personality), but since she knocks things down and around she has to keep rearranging and cleaning up messes. So the garage needs to be made clean from the start.
Not sure if there's any action scenes that we'd be doing, but she carries a massive wrench with her almost all the time and can swing it around like it was a twig. Something like this:
If you want to make the wrench like that, feel free to
Attached is a quick sketch of what she might look like in the end. Definitely will have the long braided ponytail, short-sleeve shirt, work pants, and boots. Blonde hair, green eyes. Other accessories like a back harness for the huge wrench are possible.