Proposed Canon
Bart Lightrail was a Warlord in service to Faq and a Viscount of Kibo - one of the three cities of Faq.IPTSF Text 29 He popped during the events described in 'Inner Peace', before the fall of the first Kingdom of Faq.
Bart is described as 'handsome', 'quiet', but with 'attentive and quick' eyes, with 'promisingly powerful' build.
 Real World References
His name probably refers to Bay Area Rapid Transit (BART) light rail.