Karlon was an Aqualish Rebel agent.
After the death of Karlon's parents on Ando, Karlon was responsible for the upbringing of his younger sister Gondara.
Karlon and Gondara joined the Rebel Alliance. He also became best friends with Tamo Lan, the medic of Shroud Team.
Unfortunately, Karlon was killed in a battle against Imperial forces on Bresnia. Tamo Lan took Gondara under his wing after that.