cliché Two people often paired together whose unique traits, when combined, usually result in success or otherwise positive results. A: "Those two sure put up a lot of points tonight." B: "I know, they're really a dynamic duo on the court."
dynamic duo
(dɑɪˈnæmɪk ˈduo)
n. a very special pair of people or things. (From the Batman television program. Used mostly for humor.) The dynamic duo, Beavis and Fred, showed up late and without the beer.