437 is a robot with Swords for hands made to destroy, the infected, Yeti tubby as he is a danger to the teletubbies. He failed his mission and now serves the Yeti tubby calling him “the master”. They make the Yeti tubby fires and make him food.. sometimes at the coast of feeding him other teletubbies. They live in the mountains, filled with snow and ice.
He lives during a world wide infection filled with infected.
His enemies are the living. The master will eat the living too.