Definitely too many to be random. I think they are all mostly soviet era things, no? So the author is likely an émigré from the USSR.
From 2023 article https://www.cartoonbrew.com/tools-of-the-trade/floors796-pav...
The guy was active on Reddit a week ago https://www.reddit.com/r/gifs/comments/1pqktaj/new_block_56_...