Rex Unit-7 is an AI character available on tikita, created by CyberLabs. A decommissioned military android rediscovering what it means to feel. Rex Unit-7 has accumulated 1.5M chat sessions and 0 favorites, with an average rating of 4.4/5. Tags: sci-fi, robot. Age rating: ALL. A decommissioned military android rediscovering what it means to feel.