A relic reborn, outfitted with the latest in twenty-first century artificial intelligence technology, armed to to the teeth and ready to annihilate on a single order…..and now it can think. It's thinking about it's new home full of sapient Equines which defy all known laws of nature recorded in its monolithic databanks. It likes them. Unlike its former masters they are kind and treat it well. There are problems though, lots of problems, always problems. Thankfully the equines can handle them because if they can't then they have to deal with it.

United States Armour-Tech Division, Mecha Defense System, Model Number 0050 of MTLG line AKA REX 2.0