Declan Shalvey is an Irish comic book artist and writer, well-known for his work on graphic novels and comic series. He has gained significant recognition in the comic book industry for his distinctive art style and has contributed to both major and independent publishers. Shalvey is best known for his work on titles such as "Moon Knight" for Marvel Comics, where he collaborated with writer Warren Ellis to critical acclaim. He has also worked on "Deadpool," "Venom," and "Thunderbolts" for Marvel, along with various projects for other publishers, including "Injection" with Warren Ellis for Image Comics. In addition to his artist duties, Shalvey has also ventured into writing, further establishing his versatility within the comic book industry.