Barbara Feldon, who played Agent 99 in the spy comedy series Get Smart, turns 80 today, March 12, 2013.

Created by Mel Brooks and Buck Henry, Get Smart starred Don Adams as Maxwell Smart and Feldon as 99. It was originally broadcast from 1965 to 1970.

Did you know Feldon recorded a novelty song, “99”? Give it a listen—it’s not bad.

“99,” sung by Barbara Feldon (1966)