What are these types of pictures called? And how to create them from ordinary pictures?

Question

Images

Here are some anime-like pictures.
1) What is the name of this genre?
2) And is it possible to create or convert them from ordinary pictures online, what services are there?

Answer 1

Here you have several techniques. On the parvoy you have hand-drawn sprites, these are bricks, a wall, battlements, doors, signs.
The rest of the pictures - by posterization from photos, after painted and processed by hand.