355
355 was a sentient computer who served as one of the three co-leaders of the planet Dulaine in the late 24th century, alongside Volcanic Lord Morgo and Mendrick. It communicated via beeps.

In 2382, 355 and Mendrick convened inside Morgo's crater, where Lieutenant Commander Andy Billups and Ensign Sam Rutherford from the  were to be sacrificed for the offense of entering a sacred hall with covered belly buttons. However, 355 was impressed by Commander Jack Ransom's revealed physique and agreed to listen to his parley. ()

Artificial lifeforms