4. When Director Ramis would tell Bill Murray about upcoming scenes, Murray would interrupt him and say, "Just tell me -- good Phil or bad Phil?"
5. The Tip-Top Cafe was a set created for the movie. There is no Tip-Top Cafe in Punxsutawney, Pennsylvania.
6. The real groundhog's name is "Punxsutawney Phil, Seer of Seers, Sage of Sages, Pronosticator of Prognosticators and Weather Prophet Extraordinary. This is the name given him by the "Punxsutawney Groundhog Club" back in 1887.
"Don't Drive Mad." --RoadDog