Question: The voice of Homer Simpson also voices what alien character in the television series "The Simpsons"?

Hubert Gagnon is an actor in the Canadian province of Quebec.  He is best known as the voice of Homer Simpson in the Quebec version of "The Simpsons", the voice of Mel Gibson in many movies, and also the character Picabo on the québécois TV show Les Oraliens.  He also dubbed the character Vernon Dursley in the famous Harry Potter films.  He was also the voice of Optimus Prime in the Quebec dubbing of the original "Transformers" cartoon, but for the 2007 film, he was replaced by Guy Nadon, who had coincidentally portrayed Sideshow Bob alongside Gagnon in the québécois dubbed version of The Simpsons. <SEP>  Noted for his long-running role as Homer Simpson on the animated television series "The Simpsons", he also voices many other characters for the show, including Abraham "Grampa" Simpson, Barney Gumble, Krusty the Clown, Sideshow Mel, Groundskeeper Willie, Mayor Quimby and Hans Moleman. Daniel Louis Castellaneta ( ; born October 29, 1957) is an American actor, voice actor, comedian and screenwriter. <SEP> Damon Dark is an independent public access TV series and web series from Australia about a heroic and obsessive investigator of UFO incidents and other strange cases, created by Australian writer, actor and film maker Adrian Sherlock.  Damon James Dark became a dedicated alien investigator after a close encounter during his teenage years.  He is associated with both the secret service and friendly aliens, including a character called Vincent Kosmos (an alien time traveller) and Trans-Dimensional Control (an alien law enforcement agency).  The character of Damon Dark has appeared in a 5-week TV series on Community TV 31 in Melbourne Australia, a self-published novel ("Biodome") on Amazon's createspace platform and a long running web series on YouTube.  He has also been involved in related web series "Young Damon Dark" and "Vincent Kosmos."  He has also been the focus of a one actor stage drama.  The character of Damon Dark has been played by Adrian Sherlock, Bruce Hughes, Aiden Sherlock and Jack Knoll.  Damon Dark is a loner, dresses in black, has a huge experience of aliens and their technology.  Damon is characterized by his high intelligence, idealistic moral outlook and wry sense of humor.  His best friend in the series is the long-suffering Gary Sutton, played by actor Robert Trott.  Damon Dark began in 1999, with a five-part weekly series on Melbourne's Community TV 31, (although the pilot was shot in 1996 and the show had been in development since 1990) following a screening of a 65-minute version of the story "Maddox" at the 57th World Science Fiction Convention (Aussiecon Three) held in Melbourne.  The series was later revived as a YouTube webseries which inspired several related webseries, including "The Young Damon Dark Adventures" in which the character is played as a teenager, and Vincent Kosmos, (created by and starring Chris Heaven, , an Italian actor and musician, about a renegade alien character who is a friend of Damon. <SEP>  Kang is voiced by Harry Shearer and Kodos by Dan Castellaneta. Kang and Kodos are a duo of fictional recurring characters in the animated television series "The Simpsons".  They are aliens from the fictional planet Rigel VII and appear almost exclusively in the "Treehouse of Horror" episodes.  The duo has appeared in at least one segment of all twenty-seven Treehouse of Horror episodes.  Sometimes their appearance is the focus of a plot, other times a brief cameo.  Kang and Kodos are often bent on the conquest of Earth and are usually seen working on sinister plans to invade and subjugate humanity.