Question: Rob Zombie and David Howard are both what nationality?

Context paragraphs:
Rob Zombie: Rob Zombie (born Robert Bartleh Cummings; January 12, 1965) is an American musician, filmmaker and screenwriter.  Zombie rose to fame as a founding member of the heavy metal band White Zombie, releasing four studio albums with the band.  He is the older brother of Spider One, lead vocalist for American rock band Powerman 5000.

David Howard (director): David Howard (October 6, 1896 – December 21, 1941) was an American film director.  He directed 46 films between 1930 and 1941.  He was born as David Paget Davis III in Philadelphia, Pennsylvania and died in Los Angeles, California.

David Howard (ballet teacher): David Howard (born David Charles Edwards) (14 June 1937 – 11 August 2013) was an English ballet dancer and teacher, who taught internationally at institutions such as the Royal Ballet, the American Ballet Theatre, San Francisco Ballet, Joffrey Ballet, and the National Ballet of Canada.  Howard opened his popular eponymous dance studio in New York City, the David Howard School of Ballet (later the David Howard Dance Center) in 1977, before its closure in 1995.  His dance center welcomed all students including children, adult beginners and professionals from the Broadway musicals and ballet.  In addition to his teaching, Howard was an expert on the history of the pointe shoe worn by ballet dancers, and a pioneer in their design.

Mondo Sex Head: Mondo Sex Head is a remix album by Rob Zombie, containing remixes of the tracks of various past albums both by Zombie and his former band White Zombie.  It was curated and executive produced by Jason Bentley.  The original cover art depicted Zombie's wife Sheri Moon Zombie.  It caused controversy and was replaced by the image of a cat.  Rob Zombie explained, "I never thought it would be a problem since it seemed tame to me... but it was.  No one would carry the CD.  Anything with death and violence is totally fine, but anything with sex, forget about it.  So instead of censoring that cover and ruining it, I just removed the ass shot and replaced it with a pussy shot."  Though the vinyl release remained unchanged with the original cover art.

The Lords of Salem (song): "The Lords of Salem" is the eleventh and final track on Rob Zombie's 2006 album, "Educated Horses".  It can also be found on Zombie's greatest hits album "The Best of Rob Zombie", Zombie's live album "Zombie Live", and the soundtrack for "The Covenant".

Behind the Player: Tommy Clufetos: Behind The Player: Tommy Clufetos is an Interactive Music Video featuring Rob Zombie drummer Tommy Clufetos.  Released on November 1, 2008 by IMV, the DVD features Tommy giving in-depth drum lessons for how to play "Lords of Salem"" and "American Witch" by Rob Zombie and an intimate behind-the scenes look at his life as a professional musician, including rare photos and video.  The DVD also includes Tommy jamming the two tracks with Rob Zombie bassist Blasko, VideoTab that shows exactly how Tommy plays his parts in the two songs, as well as other bonus material.

Venomous Rat Regeneration Vendor: Venomous Rat Regeneration Vendor is the fifth solo studio album by Rob Zombie.  The album was released on April 23, 2013, four days after the release of Zombie's film "The Lords of Salem".  The track listing was confirmed on Zombie's Facebook page on February 22.  This is the first Rob Zombie album to feature drummer Ginger Fish who, like John 5, was previous a member of the band Marilyn Manson.  A music video for the album's first single "Dead City Radio and the New Gods of Supertown" was released April 8, 2013.

Behind the Player: John 5: Behind The Player: John 5 is an Interactive Music Video featuring Rob Zombie guitarist John 5.  Released on November 1, 2008 by IMV, the DVD features John 5 giving in-depth guitar lessons for how to play "Let It All Bleed Out" and "The Lords of Salem" by Rob Zombie and an intimate behind-the scenes look at his life as a professional musician, including rare photos and video.  The DVD also includes John 5 jamming "The Lords of Salem" with Rob Zombie drummer Tommy Clufetos, VideoTab that shows exactly how John 5 plays his parts in the two songs, as well as other bonus material.

Superbeast: "Superbeast" is a promotional single off Rob Zombie's solo debut, "Hellbilly Deluxe".  The song was co-written by Charlie Clouser, formerly of Nine Inch Nails.  It also appears on Rob Zombie's "Past, Present & Future", the greatest hits album "The Best of Rob Zombie", and two remixes are contained on "American Made Music to Strip By".  The track appeared in the horror film "Valentine" in 2001 and also as a remix in the vehicular combat game "Twisted Metal III" and the action/horror film "End of Days" in 1999.  The song is also featured on the video game "Brütal Legend" and is available to download on "Rock Band".  The song was played in the background of the trailer of "Godzilla 2000: Millennium".  The "Girl on a Motorcycle" remix of the song was frequently used in commercials for ECW T-shirts and future events.  The song was nominated for the Grammy Award for Best Metal Performance in 1999.  On January 4, 2008, the song "Superbeast" was used to introduce the "Abyss vs. Manabu Nakanishi" match at Wrestle Kingdom II in Tokyo, Japan.

The Electro-Industrial Tribute to Rob Zombie: The Electro-Industrial Tribute to Rob Zombie is a tribute album completely dedicated to heavy metal musician Rob Zombie.  It contains the original song "Dealt With" inspired by Rob Zombie's music.

Supporting paragraphs: Rob Zombie David Howard (director)
Answer: American