Critical Error: Happy Birthday, John Byrne!

Happy birthday to writer/artist John Byrne (born July 6, 1950)! Reposting from the old Tumblr site: From the story "Critical Error" (originally published in the book The Art of John Byrne, later reprinted as a one-shot from Dark Horse Comics), two alternate versions of the story's splash page. Story and art by John Byrne.