Sir Tathlin is the Head of the Pria Knights from the Rennd Kingdom. He is also the Knight Class Trainer. He is good friends with Blackhawke. He participated in the Carnax Saga, Sea Fiend and many others. He uses a weapon called the Pria Blade which is the only weapon a knight will ever need. Sir Tathlin also appears as the basic knight trainer as well as the Pria Knight trainer.