Golbez

"Never hesitate to kill Kain. Now watch how it is done." - Golbez

Golbez is a dark knight and an incredibly powerful sorcerer, who serves as a major villain in Final Fantasy IV. He wanted to steal all world's crystals in order to achieve ultimate power.

Story
Golbez was the son of Kluya, a lunarian that came to earth to learn about the humans. He lived with a human woman in a small village, where he tought magic to the villagers. But Kluya ended killed by these same villagers, because they wanted to learn more than he taught to them. Soon after, Golbez's mother died after giving birth to his brother Cecil. Golbez started hearing a voice on his mind, Zemus's voice, who started corrupting him. With what was left of his conscience, he took his brother and left him near the Baron Castle, where the king of Baron found him and adopted him. Golbez hid himself in a cave, where Zemus took control over him. Years later, the king was killed and impersonated by one of the Elemental Archfiends under Zemus command. Golbez started his plan to find all of the crystals scattered throughout the planet. The impostor king assigned him as commander of the Red Wings, Baron's airfleet, and then Golbez started to spread destruction over the world to get the crystals, no matter the cost.

Personality
While he played the villain's role, he was ruthless and fearsome. But Golbez is actually a nice guy, taking all the responsibility for what he did when controlled.