His name is not Vlad, it's a familiar form of a completely unrelated name. If you want to demonstrate contempt by using a familiar form, use Vova.
It sounds about the same as if I used something like "Joe" to refer to a William.
It sounds about the same as if I used something like "Joe" to refer to a William.
If you want to troll Putin, call him Vovochka.
Kind of like calling him "Putain", or "Poo-tin", which are also not his name.