Gender: Male Personality: Arrogant Other: The one who killed Blue Cop (technically via Divide Dragon). Currently sealed within Jun's Metal Breath. He can speak even while sealed, but that's all he can do. No one wants to be his friend. He is a Black Dragon Wild Cardbot.

Gender: Male Personality: Taciturn Other: He fell into shock after Blue Cop, who was close to him, sacrificed himself. He is a Lion Wild Cardbot. He is friends with Jun and Soleil.

Gender: Male Personality: Depressed Other: After his friend Blue Cop sacrificed himself, he fell into shock and won't leave his room. He believes Blue Cop is dead and refuses to meet anyone, becoming very quiet. He is human and the owner of the Metal Breath. He currently has Tyrant Zero with him (inside the Metal Breath).

Gender: Male Personality: Originally cold, but is trying to comfort Jun after Blue Cop's sacrifice. Other: He was Blue Cop's unit commander but fell from grace. Now, he is slowly becoming friends with Jun and the other Metal Cardbots and Wild Cardbots.

Gender: Male Personality: Blunt, Tsundere Other: He calls Jun "kid." He originally preferred being alone, but Blue Cop's sacrifice taught him a little about friendship. He is friends with Jun. He tries to comfort Jun in his depression. He is a Dragon Wild Cardbot. He often bickers with Black Hook but is holding back for Jun's sake.

Gender: Male Personality: Polite and gentlemanly Other: He is friends with Jun and is trying to comfort him. He is a Vampire Wild Cardbot. He serves as the doctor for the Metal Cardbots and Wild Cardbots.

Gender: Male Personality: Cheerful Other: He bickers with Heavy Iron but is working with him to comfort Jun. He is a pirate and a Metal Cardbot. He is friends with Jun.

Gender: Female Personality: Energetic Other: She is trying her best to make Jun smile. She is a Cheetah Wild Cardbot. She is friends with Jun and Soleil. She speaks in a Busan dialect.

Gender: Female Personality: Quiet Other: She is friends with Jun and Blayon. She is at a loss seeing Jun so sad and tries to offer positive words.