|Vehicles and/or Gadgets||Xel-naga Keystone|
|Occupation||Emperor of Korhal|
Arcturus Mengsk was a terran from Korhal. He led the Sons of Korhal and orchestrated the downfall of the Terran Confederacy during the Great War. Mengsk ruled the Terran Dominion, the Confederacy's successor, as Emperor Arcturus Mengsk I, until his death during the Second Great War.
- He is voiced by James Harper in the Starcraft franchise. Archive Audio is used when Arcturus Mengsk talks.