Bran the Blessed
Case File: Matholwch vs. Bran
Case description: Matholwch, king of Ireland, accuses Bran, king of Britain, of trespassing on his awesome Irish soil. Bran invaded Ireland without even asking if he could come over for tea first.
Case status: Settled. Bran died in the war and got his head bumped off, so he decided not to protest the charges. He paid a fine of 200 cattle and 20 pieces of chocolate.