Lipton
Sergeant Lipton was a security guard assigned to McKinley Rocket Base on the planet Earth in the mid-20th century. 

He was on duty outside the base's launch control in 1968, when Gary Seven appeared there. Lipton began checking his supposed identity as an NSA agent, but was stopped by Seven using his servo. He was sent to sleep for a while, then promptly arrested the just arriving Captain Kirk and Mr. Spock when he awoke. Lipton brought them to Launch Control, where he was later disabled by Spock's Vulcan nerve pinch. ()

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Humans
Police officers