Butlerbot is the one of a kind and also the prime of the other bot, this bot is like Tony Stark's J.A.R.V.I.S. or Reed Richard's H.E.R.B.I.E. so that means this bot is the only one that very close to its master.

Guardbot is a bot that can project a force field shield from its halo. The shield isn't only for the Guardbot, but also can projected to anything around which close to the bot.

Assaultbot is a bot that can shoot a disintegrator beam from its horns. The disintegrator beam can destroy any object by disintegrating it to its basic components like the laser used by the Tripod in the movie War Of The Worlds.