A common misconception civilians have about the military is that we all have cool call signs, like Hawk-Eye, Maverick, or whatever. The truth is, if you've got a nickname, you're either high enough rank to have earned one, you're a pilot, you're called by your unit's name, or you did something so bad that it's used to mock you.
If anyone calls you one of these in the military, look up the definition of sarcasm. You don't want to earn any of these:
7. High Speed
This is the one dude who's just trying way too hard. Maybe they got antsy when the Battalion Commander gave a speech on the range or they watched old Army recruitment commercials and decided to be "all that they can be."
The military is based on "one team, one fight." If you're going WAAAAAAY above and beyond for extra brownie points, you're ass-kissing.
6. Hero
This term is reserved for the kid who probably only got their name right on the ASVAB. It's usually given out when someone does something monumentally stupid, like dry their boots in the communal dryer or actually bring an exhaust sample to the mechanics.
The nickname is more of a play on the phrase, "there's a fine line between bravery and stupidity." Put down the crayons and read a book.
5. Ghost
Slacking off is part of the military, but this person takes things to the next level. They just vanish like they're freaking Casper.
Most times, there's no issue if you're swinging by the gas station for a drink or whatever. The moment you swing by your barracks room to play a few rounds of Call of Duty, well, you might be earning the next nickname, too...