Medusan

• Appearance: Noncorporeal
  • Physical appearance is capable of driving most humanoids crazy due to noncorporeal nature (TOS: "Is There in Truth No Beauty?")
• Biological notes
  • Telepathic species (TOS: "Is There in Truth No Beauty?")
  • Innately aware of position in space and time at all times, granting them innate skill at starship navigation (TOS: "Is There in Truth No Beauty?"; TNG Novel: A Time to Be Born)