That Floki one was all over the London underground last year as well. They used the tagline "Missed Doge? Get Floki", which is about as bad as the other one I kept seeing, something like "When you see crypto on the underground, it's time to buy" by some exchange.
Anyway the Floki one got banned: https://www.theguardian.com/technology/2022/mar/02/watchdog-...
And yes, Floki Inu is named after Elon Musk's dog...