Curtis Armstrong (Born November 27, 1953 in Detroit, Michigan) is an American actor best known for playing the roles of Booger in the Revenge of the Nerds movies, Herbert Viola on the TV series Moonlighting, Miles Dalby in the film Risky Business, famed record producer Ahmet Ertegün 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.
From 2013 to 2015, he served as the co-host of the TBS reality television competition series King of the Nerds.
- Curtis Armstrong wore Dan's trademark "JERK shirt" on King of the Nerds in 2015. 
- In "Baseball", he and Dave Foley (the voice of Chris) made a cameo as police sketches.
- Curtis Armstrong's Voicechasers profile
- Curtis Armstrong's IMDB profile
- Curtis Armstrong's Just Us Geeks Podcast Interview
- Curtis Armstrong's wikipedia page