The oldest party member in Tales of the Abyss who is a Colonel in Malkuth's army. Jade is a deadpan snarker who always teases the others and is unpredictable. He's also a brilliant genius who developed a type of technology that comes back to haunt him. It's believed that he cruelly experimented on monsters when he was younger, but has since changed his ways. His seiyuu is Koyasu Takehito.