Question: Puffin Rock is narrated by actor Christopher O'Dowd, who is of what decent?

Context articles: Commander Islands
James Mitchum
Kyle Massey
Chris O'Dowd
Nigel Tufnel
Stonehoney
Feeding Frenzy (TV series)
Puffin Rock
I Am Kloot (album)
Myriam Bru

The Commander Islands or Komandorski or Komandorskie Islands (Russian: Командо́рские острова́ , "Komandorskiye ostrova") are a group of treeless, sparsely populated islands in the Bering Sea located about 175 km east of the Kamchatka Peninsula in the Russian Far East.
 The islands consist of Bering Island (95 km by 15 km ), Medny Island (55 km by 5 km ), and fifteen smaller ones (islets and rocks), the largest of which are "Tufted Puffin Rock (Kamen Toporkov or Ostrov Toporkov)", 15 ha , and "Kamen Ariy", which are between 3 km and 13 km west of the only settlement, Nikolskoye.
 Administratively, they compose Aleutsky District of Kamchatka Krai.
James Mitchum (born May 8, 1941 in Los Angeles, California) is an American actor and the eldest son of actor Robert Mitchum.
 His brother is actor Christopher Mitchum and he is the uncle of actor Bentley Mitchum.
 His only child was born during his marriage to Wende Wagner, an actress who died of cancer in 1997.
Kyle Orlando Massey (born August 28, 1991) is an American actor, rapper, and singer from Atlanta, Georgia.
 He is perhaps best known for starring in the Disney Channel sitcoms "That's So Raven" and its spin-off "Cory in the House", in which he played Cory Baxter.
 Massey starred in the Disney Channel Original Movie "Life Is Ruff".
 Massey has released several rap songs for Walt Disney Records and Hollywood Records.
 He provided the voice of Milo in the Disney animated series "Fish Hooks" and was the runner-up on the 11th season of ABC's "Dancing with the Stars".
 He is the younger brother of actor Christopher Massey.
Christopher O'Dowd (born 9 October 1979) is an Irish actor, best known for comedic roles such as Roy Trenneman in the Channel 4 comedy "The IT Crowd".
 O'Dowd created and starred in the Sky 1 television series "Moone Boy", which aired between 2012 and 2015.
 He had a recurring role on the comedy-drama series "Girls".
Nigel Tufnel is a fictional character in the 1984 mockumentary film "This Is Spinal Tap".
 In the film, he is the lead guitarist of the rock band Spinal Tap.
 He was played by actor Christopher Guest.
Stonehoney is an American rock band from Austin, Texas.
 Stonehoney consists of Shawn Davis on vocals and electric guitar, Phil Hurley on vocals and lead electric guitar, Dave Phenicie on vocals and bass guitar, and Nick Randolph (Brother of actor Christopher Randolph) on vocals and acoustic guitar.
 Stonehoney has been touring extensively since 2007 and has released one album, "The Cedar Creek Sessions".
Feeding Frenzy is a four-part American documentary reality television mini-series that premiered in 2008 on Animal Planet.
 The program follows, stars, and is hosted and narrated by actor Christopher Douglas.
 In the show, Douglas sits inside a transparent, cubical plastic box while filming canivorous predators, which are attracted to the bait and surround the box.
Puffin Rock is an Irish children's television series that originally aired on RTÉjr in Ireland, Nick Jr., Nick Jr.
 Too and Milkshake!
 in the United Kingdom, Nick Jr. in Italy, ABC Kids in Australia, and Netflix in Ireland, the United States, Canada, Latin America, the Benelux countries, UK, France, and Germany.
 The program is narrated by Chris O'Dowd.
 The series premiered on 12 January 2015.
I Am Kloot is the self-titled second album by English rock band I Am Kloot.
 Released in 2003, the album reached #68 on the UK Albums Chart and yielded four singles and one download-only single.
 The download-only single "Proof" had a music video created for it by Krishna Stott, featuring actor Christopher Eccleston, which never received its intended, full release.
 A demo of "Proof" originally appeared as a B-side to "Morning Rain" in 2001.
 The album contains an extra song, hidden in the pregap, called "Deep Blue Sea," also released as a B-side on the "Life in a Day" single.
Myriam Bru (born 20 April 1932 in Paris, France) is a former French actress and the wife of German actor Horst Buchholz, to whom she was married from 1958 until his death in 2003.
 She made 16 films between 1952 and her marriage, when she retired from acting to raise the family.
 She and Buchholz had two children, whereof one is the German actor Christopher Buchholz.