The above works (sketch, graphics, painting, collage) are made by Robert Urbaniak and constitute his intellectual property, therefore they are subject to the Act on Copyright and Related Rights, therefore it is forbidden to copy and distribute their contents without the author's consent. More about copyright.
Robert Urbaniak reserves that when creating a collage, it uses photographs, drawings, graphics and paintings, to which there is no copyright, referring to Art. 29 The right to quote published in Dz. U. 1994 Nr 24 poz. 83 z p.zm., at the same time the author informs that the materials used to make the collage come from various sources, including from the Internet, where it is often difficult to determine who is the author of a given work.