watch 01:38 The Loop (TV) Do you like this video? David Michael "Dave" Koechner (born August 24, 1962) is an American actor, voice actor, singer, and comedian. He is working at Nickelodeon voicing Dag on the movie Barnyard. "Gee, this is harder than I thought."This article is a stub. You can help Nickipedia by expanding it. Retrieved from "https://nickelodeon.fandom.com/wiki/David_Koechner?oldid=262180" Categories: Stubs Actors Voice actors 1960s births Comedians Singers Back at the Barnyard cast members The Loud House cast members Community content is available under CC-BY-SA unless otherwise noted.