Francis Sinclair shares several similarities with Ernest Keigel, a fictional time traveler who stars in the GTA: Vice City Stories radio program, The Time Ranger; they both have transatlantic accents, they use the 1920s and 1930s slang, they're fast talkers, they're only seen physically a few times in their respective stories, they don't directly interfere with timelines, and lastly, they're both from the 1930s.