A prank-name, pseudonym, username, or gamertag that is often used by fans of Sally Juspeczyk (aka, "Sally
Jupiter"), from the comic "watchmen", that require a more masculine version of the name.
In a forum setting, "Sgt
Jupiter" users can be characterized as having a very unfocused identity. Crafting interesting or intelligent ideas on one forum while
trolling the next. Also having a propensity toward
devil's-advocacy.
In a gaming environment users of the name exhibit a very distinct style; Resorting to stealth more often than not, and maintains agendas beyond that of the games intended objectives.
The name is pronounced "Sergeant Jupiter", though shortened versions include "Sarg", "jupiter", or "Jup" (jupe).
