came back to a self portrait I started

My guess is that, very much like the Mona Lisa, this is unfinished.

The one on the right does look like some of the Flirt trains, but it seems smaller. Maybe https://www.sbb.ch/en/travel-information/services-on-train/our-trains/gtw-seetal.html

That one has a white “B pillar” or whatever it’s called in train terminology, but the one in the picture looks like it could be the same structurally, just that part is black.

The one on the left looks like https://en.wikipedia.org/wiki/SBB_RBDe_560

deleted by creator

Russian shish kebab, AFAIK. https://en.wikipedia.org/wiki/Shashlik

I feel like this would work better with house centipede legs.

John Bolton?

What a terrible day to have eyes