The lore it's that Theodore akid who was used in the bigger body project(catnap) doesn't liked be there and doing what they told him like a slave so he make an aliance with the prototype and with the other toys( they had fear of him because he thinks is dovoted to the prototype like he was his god and they knows what happens to who go against prototype or catnap orders(They get killed by him in the most sadistic way as possible)to kill everyone in the factory to finally get the Revenge he wanted