What is the most complicated polyhedra?

Can you tell me, what exactly do you mean by the most complicated polyhedra? Is it the one with the most number of faces and vertices? Or perhaps it's the one that has the most intricate geometric patterns and shapes? There are so many different types of polyhedra out there, from the simple tetrahedron to the incredibly complex snub dodecahedron. It would be great to have a clearer understanding of what criteria you're using to determine the most complicated polyhedra.