Jack Kirby

Jack Kirby is a creator in an alternate universe.

Biography
Little is known about the man.

At some point, he and his partner Stan Lee created the figure known as Hulk. During their work, Lee had suggested to Jack that his skin turn green.

Lee was recounting this story over the phone when one of Lee's creation brought to life, Spider-Man, arrived to talk to him.

Background
He was only referred to as Jack, not given a full name.

The real Jack Kirby also helped create Captain America, the Fantastic Four, X-Men, Spider-Man, Thor, Silver Surfer, and numerous others. On, he was only mentioned as being connected to Hulk.