Robo

Robo (ロボ Robo, Robo^?) is a robot originally created to assist humans at the Proto Dome. His real name is Prometheus, and his serial number R66-Y. Having a curious and bright personality, he was rendered dormant by the apocalypse in 1999 AD, but is found and repaired by Lucca in the year 2300 AD. Upon his reactivation, Robo has no memory of his prior mission and joins the party. He uses his robotic arm as a weapon and can use laser attacks which mimic "Shadow" magic. In an optional side quest, Robo is punished by his corrupted maker, "Mother Brain", for having sympathy for humans, and he meets his long-lost companion robot Atropos XR. In another side quest, Robo can volunteer to spend four hundred years restoring Fiona's forest. During this time, Robo ponders the existence of an "Entity", a being having guided Crono and his friends through time for some purpose. He explains his theory to the party when they are reunited outside the Forest Shrine in 1000 A.D. Robo is considered unable to use magic because Spekkio cannot decipher his inside character enough to grant him that ability.

In the Japanese version, Robo has a unique speech; he speaks with bits of katakana in his sayings and has trouble with pronunciations. Most of the robots talk in all katakana, with the exception of Johnny. In Chrono Cross, Robo makes an appearance as the "Prometheus Circuit" terminated by FATE. Masato Kato has officially gone on record as stating the circuit is Robo. "Anyway, if you have played Trigger, then Prometheus should be very familiar to you. I'm sure a lot of players would make a similar 'big fuss' over the death of such a much-loved friend..."