X is a small yellow x that ran away about a year ago after a fight with his best friend, Four. As he was running, he had fallen and hit his head on a rock, giving him amnesia, causing him to forget everything, including Four, Two, and even his own name. He often has strange memory flashes, and when he feels a sort of familiarity about them, he wants to find out what they mean. He often wanders around, his head swirling with thoughts. He often cries because he knows nothing about his past.