If I wanted to use Peak or another illustrator, I would give them a design idea.
From the latimes.com
Ralph Steadman is an internationally acclaimed illustrator and wine connoisseur.
From the sfgate.com
Browne had been the illustrator of his little pamphlet Sunday under Three Heads.
From the en.wikipedia.org
Rankin started out as a staff artist and illustrator at Conde Nast Publications.
From the denverpost.com
By the time we meet him, Parrot has been an illustrator, architect and explorer.
From the bloomberg.com
She was a fashion illustrator in New York and collected jewelry her entire life.
From the stltoday.com
The network was mapped using an L-system and drawn out by a medical illustrator.
From the en.wikipedia.org
My art teacher was actually pushing me to be an illustrator or graphic designer.
From the style.time.com
Christine Wong, a graphic artist and illustrator in San Francisco, is a GR fan.
From the sfgate.com
More examples
An artist who makes illustrations (for books or magazines or advertisements etc.)
An Illustrator is a graphic artist who specializes in enhancing writing by providing a visual representation that corresponds to the content of the associated text. The illustration may be intended to clarify complicated concepts or objects that are difficult to describe textually.
Adobe Illustrator is a vector graphics editor developed and marketed by Adobe Systems.
The Quill (formally known as The Quill Adventure System) is a program to write home computer adventure games. Written by Graeme Yeandle, it was published on the ZX Spectrum by Gilsoft in December 1983. ...
(Illustrations) An illustration is a displayed visualization form presented as a drawing, painting, photograph or other work of art that is created to elucidate or dictate sensual information (such as a story, poem or newspaper article) by providing a visual representation graphically.
(Illustrators) gestures that add emphasis to or illustrate verbal messages.
(Illustrators) Alan Lawford, Frank Gardener and Chris Hill.
(Illustrators) The role of an illustrator is to tell a story through drawings, painting or photography.
(Illustrators) typically create pictures for books, magazines, and other publications, and for commercial products such as textiles, wrapping paper, stationery, greeting cards, and calendars. Increasingly, illustrators work in digital format, preparing work directly on a computer.