King Leo is the protagonist of the WiiWare video game Final Fantasy Crystal Chronicles: My Life as a King. In the game, he is the successor of a king who once ruled a now dead kingdom. The young king wishes to bring his fathers' kingdom back to the way it once was, and does so with the help of a mysterious crystal who gives the power of "Architek", which gives him the power to build buildings within mere seconds. With the help of the crystal and a multitude of companions, he manages to fulfill his goal, though to do so he has to keep his townspeople happy and also recruit members for your army to find more power for the crystal.
In the game, Leo is a silent protagonist.