Harumi

she is the leader of the sons of Garmadon a gang of bikers who who wants to resurrect Lord Garmadon because of her many years ago she was a kind and peaceful little girl but one day The Great Devourer showed up in Ninjago city and destroyed everything and even killing her parents but Lord Garmadon managed to kill it and she hated the Ninja for failing to protect her parents so she decides to create the sons of garm done to resurrect Lord Garmadon to get revenge is kind in her own way but ruthless also highly skilled in combat and she also used to work for the overlord before the overlord was defeated so now she's on no one's team