Boleslav William Felix Robert Sienkiewicz (born May 3, 1958) is an American artist known for his work in comic books—particularly for Marvel Comics' New Mutants, Moon Knight, and Elektra: Assassin. He is the co-creator of the character David Haller/Legion, the basis for the FX television series Legion. Sienkiewicz's work in the 1980s was considered revolutionary in mainstream US comics due to his... show more