A tall shark-like cyborg. Geiger is a hazardous materials expert and nuclear maintenance unit. He has been artificially bred to be completely immune to radiation. In fact, he sustains from consuming yellowcake uranium. Geiger is a very peaceful being, despite his uncanny looks. In his free time, he tinkers on gadgets and bakes uranium cookies, which are only for his own consumption. He is very heavy, due to being half metal. Geiger carries a ray gun that can transform and inflate people.