Sienkiewicz was born on 1958 in Pennsylvania. He moved to New Jersey at the age of 5. There he attended elementary school and high school. He cited Curt Swan and Jack Kirby as major influences. He attended the Newark School of Fine and Industrial Arts in Newark, New Jersey.
Bill Sienkiewicz is an American comic book artist. He began his career in 1979 when he started drawing for Marvel Comics's titles such as Hulk; Black Panther; among others. He worked solely for Marvel for almost 5 years. His first work for DC Comics was the 1983 Captain Carrot and His Amazing Zoo Crew #12. He would continue to work for both Marvel and DC on some titles as Spider-Woman; Batman; Wonder Woman and Question.
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- Bill Sienkiewicz's Images as a Penciler
- Bill Sienkiewicz's Images as an Inker
- Bill Sienkiewicz's Images as a Cover Artist
- Bill Sienkiewicz's Images as a Colourist
- Bill Sienkiewicz/Writer
- Bill Sienkiewicz/Penciler
- Bill Sienkiewicz/Inker
- Bill Sienkiewicz/Cover Artist
- Bill Sienkiewicz/Colourist
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