Beast
The sharp retort of a gunshot sounds behind Smedry, and and Jack Frost collapses. It had taken Beast a moment to sort through all the weapons, wrapped in protective oilskins, for one he was certain would do the job. But he settled on one pretty fast. an elephant gun loaded with 30-378 wetherby hunting rounds. Top of the line ammunition. Just one shot would blow a person into chunky salsa, or kill a charging elephant. Beast isn't the sort to casually resort to lethal force, as his conversation with Smedry about the fate of Zim would demonstrate, but after Frost had boasted about killing a little girl, Beast had lost a lot of his inhibitions.
He turned to Horner, and pointed the gun. "I'll kill you as well, if I have to." He says softly but menacingly.