This pictures are both created by Pablo Picasso.
This is called "Arlequín"
And this is called "The weeping woman"
Those images are created with dots, they are both created by Roy Lichtenstein
As you can see, both are comics.
This images are only made up of lines
This was created by Kandinsky
This picture was created too by Kandinsky
Those pictures was both created by Vincent Van Gogh
This is called "Girasoles"
And this is called "La habitación"