Knuckle Joe's father (real name unknown) was a Star Warrior. He was a close friend to Meta Knight, and the two fought side by side. He was a powerful fighter, inspiring many other Galaxy Soldiers to increase their strength. One night, however, the Galaxy Soldiers came under attack by enemy combatants and Joe's father was taken by a monster and turned into one by Nightmare. When he came back to the Galaxy Soldiers, they saw that he was on the side of the monsters, and thus, Meta Knight had to kill his best friend for the safety of the galaxy. Thankfully however, his love for his son kept him from completely surrendering to Nightmare, and before his death, he gave Meta Knight his locket with Knuckle Joe's baby picture in it. The locket soon proved to be a power amplifier that helped Knuckle