Greg Ruzicka

Greg Ruzicka is a childhood friend of Jonathan Yeager. The two met in the fourth grade and remained friends throughout their adolescence and into their adulthood, and Ruzicka was best man at Yeager's wedding to Karen. Like Yeager, Ruzicka was practiced Race Mimicking. He also smoked a pack of cigarettes a day despite having been raised at a time when serious health risks associated with the habit were becoming known.