It's not the first time Dr. Leek has been involved in an evil plot.
Name's the Same: Alton Brown, on an episode of Good Eats devoted to waffles, also portrayed a character called "The Waffler."
Throw It In: A workman on the set threw a disposable lighter into a trash can, not realizing it was a prop that would later be set on fire. The lighter exploded during a take in a sudden burst of flame behind Paul Reubens (The Spleen) who improvised the famous "Excuse me" line. This was deemed to be hilarious so they kept it in the movie.
Truth in Television: Shovel fighting was taught to most infantry through the end of World War II. The reasoning was that infantry were often responsible for digging their own foxholes, and their enemies were unlikely to honor a call of "Time out!" while they went to fetch their gun or bayonet.