Ethan Waber is the main character in Phantasy Star Universe and an important character in Phantasy Star Universe: Ambition of the Illuminus. He lives on the Guardians Colony with his sister, Lumia Waber. Despite his animosity toward Guardians, he is forced to partner with a member of the organization when the colony comes under siege by the mysterious SEED during the centennial Tripartite Treaty celebration. After the experience, he realizes his previous assumptions were misinformed and goes on to ultimately join the Guardians, training under the strict guidance of Karen Erra.