Lean Joker

Lean Joker is a supporting character from Final Fantasy Type-0, and is the last member of the Class Zero elite. His number is No. 0, he is seen working with Tiz, No. 10 of the same class.

Appearance and Personality
Unlike the rest of Class Zero, Joker is wearing a Milities uniform. It remains unknown why he does so.

Tiz and Joker seem to have a strong relationship with Arecia Al'racia, even more so that the other members of Class Zero themselves.

Story
After Machina and Rem turn into crystal, Joker and Tiz ask Arecia to release them from such prison and to erase the Crystals from history to prevent the world from falling into ruin.

Etymology
Joker is a special type of playing card found in most modern decks, or else a type of tile in some Mahjong game sets.

Trivia

 * Along with Machina and Rem, Lean Joker is the only member of Class Zero whose real name has been revealed.
 * Since Lean is dressed in Milities uniform, his real nationality remains a mystery, either being a spy from Rubrum or actually a member of Milities working as a double agent.