They didn't actually find a unicorn ; they found other tikz animals. It still generalized to the unicorn. This was the package: https://ctan.org/pkg/tikzlings?

They didn't actually find a unicorn ; they found other tikz animals. It still generalized to the unicorn. This was the package: https://ctan.org/pkg/tikzlings?lang=en https://ctan.org/pkg/tikzlings?lang=en