"Space Quest is a series of six comedic science fiction computer games that follow the adventures of a hapless janitor named Roger Wilco, as he campaigns through the galaxy for "truth, justice and really clean floors".
Initially created for Sierra On-Line by Mark Crowe and Scott Murphy (who called themselves the "Two Guys from Andromeda"), the games parodied both science fiction properties such as Star Wars and Star Trek, as well as pop-culture phenomena from McDonald's to Microsoft. The series featured a silly sense of humor heavily reliant on puns and wacky storylines. Roger Wilco, a perpetual loser, is often depicted as the underdog who repeatedly saves the universe (often by accident) - only to be either ignored or punished for violating minor regulations in the process."
Source: Wikipedia, "Space_Quest", available under the CC-BY-SA License.