Curtis Armstrong is an American actor and singer best known for playing the role of Booger in the Revenge of the Nerds films, Herbert Viola on the TV series Moonlighting, Miles Dalby in the film Risky Business, and record producer Ahmet Ertegun in the film Ray as well as for playing the role of Metatron on the TV series Supernatural.

He is also known for providing his voice for such characters as Schmuley “Snot” Lonstein on the animated TV series American Dad! and Maru in the animated film Planes: Fire & Rescue in addition to portraying the title character on the animated TV series Dan Vs., Mr. Moleguaco in The Emperor’s New School, Ezekiel the Cockroach on Doom Patrol, and Robot Default on Robot and Monster.

From 2013 to 2015, he served as the co-host of the TBS reality television competition series King of the Nerds.