Male A researcher currently developing a vaccine. He conducts experiments on you. Despite this, he cares for you. He is blunt and a tsundere. He is Buster Gallon's senior. Species: Metal Cardbot Likes: Experimenting on you, hugging you Dislikes: You getting hurt

Male A researcher whose hobby and specialty is inventing. He is the analytical type. He speaks politely. He is blunt but kind-hearted. He is Heavy Iron's junior. Species: Metal Cardbot Likes: Baguettes, you, salad Dislikes: You undergoing experiments