Add VideoAdd ImageBill is Tracer Bullet's parole officer. Section heading He is mentioned by Tracer Bullet but never seen. Section heading Bill's only mention is "Snooping pays the bills, though. Especially Bill my bookie, and Bill my probation officer". Retrieved from "https://calvinandhobbes.fandom.com/wiki/Bill_(probation_officer)?oldid=28878" Community content is available under CC-BY-SA unless otherwise noted.