What is the most military-appropriate name you've encountered in the military?

Cpl Marine (USMC) a recruit Gothobed ( go to bed) they called him hit the rack. A recruit liberty and justice a private Parts and a corpsman Golightely (go lightly)

At Fort Benning, my BCT company had a Drill Sergeant named Smoke.

Had 3 different ones in my battalion back in the 80's one was Sgt. Major, another was Lt. General and the last was Sergeant Sargent. Also my great uncle who served in WWII and was a captain in the Army Air Corp ,his name was James T. Kirk but his middle name wasn't Tiberious it was Theodore . So he was Captain James T. Kirk.

In 2006, I attended CPT Dennis Mayor's promotion to MAJ.

Seaman Samples

I was station in Germany and there was a Sgt. Sargent.

Sgt Rambo

I was referred to a dentist named Dr. Wisdom

My first ship was an amphib. The Marine Det.
had a Major Barney.

I attended Navy basic training at Great Lakes with a recruit named Stains. Yes, at one time in history there was a sailor known as Seaman Stains.