Spaaaace!
Cave Johnson would be proud of the Space Personality Core. No employee of Aperture Science has ever shown such utter devotion to a singular objective as this little guy. His joy at the consummation of his duties is obvious, well-deserved, and enunciated with no small amount of enthusiasm . Here's a short edit of his utterance, suitable for a ringtone. Good luck out there, little buddy. We're all proud of you.