The mighty Q-Rex belongs to the Quantum Ranger. it was sent back in time as part of an experiment. It was lost and ended up lost in a cave in prehistoric times. Eric, the Quantum Ranger used the TF Eagle to travel back in time and retrieve the Q-Rex. The Q-Rex is a massive dinosaur machine. It has two modes, Dinosaur mode (left) and Warrior mode (right). When in dinosaur mode, it charges at it's opponents, biting him on the chest. In warrior mode, it can fire missles out of its finger tips.