found: Danny Phantom. Season 1 [VR], c2011:credits (David Kaufman)
found: IMDb website, October 3, 2011(David Kaufman; b. July 23, 1961, St. Louis, Mo.; actor)
found: IMDb, January 22, 2016:(David Kaufman, alternate name David R. Kaufman; actor and voice actor, active in television and film since 1982)
found: David Kaufman personal website, January 22, 2016:(David Kaufman; attended UCLA's Department of Theatre Arts; also is a stage actor, member of West Coast Ensemble in Los Angeles; also teaches acting as a private coach)