Memphis police say the person clad with a clown costume and another person got away with an undisclosed amount of cash.
VIDEO: Clown warnings issued ahead of Halloween season
Fortunately, no one was hurt, but officers say they are concerned the tactic may lead to copycat actions.
The robbery is the latest in a string of clown-related incidents across the country.
VIDEO: Thousands of students skip class after 'scary clown' threat targets schools
Police say the clown pranks could turn into a deadly situation because of fear.
Clown sightings prompt police calls in Green Bay, Wisc.
Clowns allegedly terrorize children near bus stop