Captron is a minor character from the 1985 animated series She-Ra: Princess of Power.
She-Ra: Princess of Power
The Captron was a robot specifically tasted by the Evil Horde to capture beings. Posessed with a low level of intelligence, even Horde Troopers were higher in rank than the Captron and were allowed to order it around.
With the simple command 'Capture' the Captron was urged into action. The Captron could emit an energy cage from the palm of his hand to capture and hold it's prey.