- Dave (Full name: Dr. Dave Bowman; crew member of the Discovery One, dismantles HAL)
- Floyd (Full name: Dr. Heywood R. Floyd; authorizes Discovery One mission, played by Roy Scheider in 2010: The Year We Make Contact)
- Hal (Full name: HAL 9000; a computer in charge the Discovery One, HAL is disconnected by Dave Bowman after killing fellow crew member Dr. Frank Poole)
These dog and cat names are derived from characters featured in Stanley Kubrick’s 1968 sci-fi classic 2001: A Space Odyssey. Warning: Plot spoilers are revealed below.