Juiz

She is the leader of the Union and is a founding member and member no. 1 of the Round Table. She is a Negator with the alias Unjustice. Juiz is confident in the actions she takes and has a very strong sense of justice. Being the leader of The Union, she is very steadfast and dutiful, managing to easily destroy an army's fleet to protect the Earth. She is also determined to kill the being on the other side of Apocalypse, gathering several Negators in order to gain enough power to defeat it, thus forming The Union.

(Source: Undead Unluck Wiki)