The title is a parody of [link]
This came up pretty quickly and randomly. There are some post-refinement several days after I done this artwork. One of my friends told me this somehow looks like a mix between Bioshock Infinite and Iron Giant though I didn't mean it that way (I haven't played Bioshock Infinite yet).
Anyways, this man is an engineer. He has cool beard and shiny rifle. He lost his family during civil war or something like that. He built a robot and put a poster of her daughter face on it. He smoke strange substance while killing bad guys with her robo (daughter)
Hope you like it
Photoshop CS5 + Wacom Graphire 4