Awww, what a great topic. I luv robots.
I have only one in my comics for now. It appears in the new part of my comics, which will be released soon:
As you will be able to see in this new part, it was destroyed instantly after appearance... life in my comics is short and bitter not only for humans, but for drones as well...
Also I'm going to draw more drones and other robots for my main comics later.
There are some old drawings of robots which I've done 9-12 months ago:
They are the different kind of robots from the roguelike game Cogmind.