Havok and Cyclops from the X-men. And by X-Men, I mean ex-men, meaning post-transition. I didn't realize how much those concentric circles would mess up the colorize feature, I probably should have put those in on a separate layer over the color. Oh well.
Created using Clip Studio Paint Pro on a Surface Pro 4. Here is the time lapse video:
I think for this one the B&W version looks a little better.