Two of the Echlezcarcial's leadership decided the third man was working out of their limits of power and had to be silenced. So they killed him....
Then displayed his corpse on a macabre display, and took on the alias of the Either, and the Or, for their respective men. The Either was the man in charge of maintaining the homeland, while the Or was responsible for foreign relations and affairs.
Speaking of which, somewhere in Nevada, a quartet of the Or's agents are inside a top secret nuclear weapons lab.