RANS-5 AND USTER-7 ARRIVED TO PLANET EARTH 2 YEARS AGO. THEY WERE SENT FROM THEIR HOME PLANET OF KEPLER-186F (KNOWN TO THEM AS Alphatari), TO HELP HEAL THE PEOPLE OF EARTH. THEY FORMED PULSE ICON TO FACILITATE THEIR DUTIES AND OFFER HUMANS SONIC SALVATION THROUGH THE MAINFRAME KNOWN AS IIA.