Ronald Reuel

Ronald Reuel was the Summer Knight at the beginning of Summer Knight. When he is introduces, he is already murdered at the beginning of the story by Aurora. He was a local artist in Chicago.

Trivia
It's almost certain that Reuel's name is a homage to J.R.R. Tolkien, whose middle names were "Ronald Reuel." This is emphasized by his job description being "creator of worlds."