I just started making a concept for a new skin for Twitch: The escaped lab experiment N17: "Rat Lab Twitch".
Here is my concept art, not done yet, as I'm still deciding colors, adding and removing details, and I still need to design its weapon!
And some of the reference I gathered to start working on it:
I'm still thinking on it... I mean, if it is really giving the feel of a rat that was heavily mistreated in a lab... so, any suggestions is greatly welcome!