Rex

Rex (レックス) is the main protagonist of Xenoblade Chronicles 2. He is the driver of Pyra and Mythra. His goal is to take them to Elysium to fulfill their dream and save Alrest from its fall.

Prologue
Rex is seen salvaging in the Cloud Sea on the titan Azurda otherwise known as Gramps. After he is done they go to Argentum where Rex goes to appraise what he salvaged. Afterwards he gets called by Chairman about a Salvaging job.