Queeg 500 was supposedly the Red Dwarf backup computer. When the shipmates complain about Holly being useless, Queeg appears and starts putting them all on a strict timetable of labour and fitness, whilst Holly is displaced onto a television screen as a "night watchman". Queeg seems to be of militaristic origin, given that he demands to be called "sir" and shipmates are required to earn "credits" to use facilities (even though credits are obsolete since the ship is now no longer performing its designated role). He forces Rimmer to do his regulation exercises and forces both Lister and the Cat to work. Eventually, Holly challenges Queeg to a chess match, loses, and says goodbye to Lister and Co. forever. However, it all turns out to be an elaborate practical joke, with Queeg simply being Ho