After a mighty storm has passed, You discover a old waterlogged chest, sealed with chains and weighted with stones. You find drowned form of a young animal. Suddenly, the creature's eyes open you have acquired an unusual pet.
Hunted You had a traumatic experience when wild beasts attacked your home perhaps even killing your family, you bare a scar from that attack (Detrimine the nature of your injury)
You become involved with criminal elements of society, taking to a life of crime and earning a notorious reputation and bounty. (work with your DM to determine details)