Bill Sienkiewicz

Boleslav William Felix Robert Sienkiewicz (/sɪnˈkɛvɪtʃ/ sin-KEV-itch;[1][2] born May 3, 1958),[3][4] better known as Bill Sienkiewicz, is an Eisner Award-winning American artist who produces comic book art, primarily for Marvel Comics' The New Mutants and Elektra: Assassin. Sienkiewicz often utilizes oil painting, collage, mimeograph, and other forms generally uncommon in comic books.

https://en.wikipedia.org/wiki/Bill_Sienkiewicz#Personal_life