Nowlan Joker cover
Walt Simonson is a hugely influential writer/artist who rose to prominence at DC in the 1970's on various War titles and The Metal Men, it was his work on the Detective Comics back-up feature Manhunter with Archie Goodwin that made readers take notice. He would go on to Marvel where he would draw the X-Men/New Teen Titans crossover and have a groundbreaking run on Thor that is considered one of the finest in the long history of the title. He would go on to work on X-Factor, Fantastic Four, and a host of other titles. His own creation, The Star Slammers is a series he has returned to periodically throughout his career, most recently with IDW.
José Luis García-López is a Spanish-Argentine comics artist who works in the United States, particularly in a long-running relationship with DC Comics. In addition to his storytelling art, he has been responsible for producing the official reference art for characters in the DC Comics Style Guide, as used in licensed merchandise.
Kevin Nowlan is an American comics artist who works as a penciler, inker, colorist, and letterer. He has been called "one of the few artists who can be called 'artists's artist'", a master of the various disciplines of comic production, from "design to draftsmanship to dramatics". Although the majority of his work is as an inker, he has provided both pencils and lettering for various comics. He is a noted cover illustrator. Nowlan contributed character designs to Batman: The Animated Series, most notably The Penguin, The Mad Hatter and the Man-Bat.
Colorist, Inker, Penciller, Cover Artist at DC, worked on Aquaman and Green Lantern
Tom Tenney is an American comic book artist who's best known for his work with Marvel comics on the spin-off Avengers series Force Works.