There is a Fight Club (1999) Easter egg where you walk into a room and you see people surround a table with someone dead on it and you hear them chant "his name was Robert Paulson", the character played by Meat Loaf.
Alan Oppenheimer voices various characters including Harold the Ghoul in this and Fallout Tactics (2001), he also voices Paladin Brandis in Fallout 4 (2015). Ironically he is the cousin of theoretical physicist J. Robert Oppenheimer, the scientist in charge of the Manhattan Project and the principal developer of the atomic bomb.