Question: Who created the Barack Obama "Joker" poster based on the Australian actor and director Heath Ledger's portrayal in "The Dark Knight"?

Context paragraphs:
Barack Obama &quot;Joker&quot; poster: The Barack Obama "Joker" poster is a digitally manipulated image of United States President Barack Obama, designed by Firas Alkhateeb in January 2009, that has been adopted by some critics of the Obama administration and described as the most famous anti-Obama image.  The image portrays Obama as comic book supervillain, the Joker, based on the portrayal by Heath Ledger in "The Dark Knight".  Alkhateeb has said the image was not intended to make a political statement.  He uploaded the image to the photo-sharing website Flickr, from where it was downloaded by an unknown individual who added the caption "socialism".

Adriano Giannini: Adriano Giannini (born 10 May 1971) is an Italian actor, son of Giancarlo Giannini.  He co-starred in 2002 with Madonna in the widely panned film "Swept Away", a remake of the 1974 Italian film with the same name.  Adriano played the same role that his father, Giancarlo Giannini, played in the original.  He dubbed Heath Ledger's voice in the Italian release of "The Dark Knight" (his father was the voice of Jack Nicholson/The Joker in Tim Burton's "Batman").  Giannini has a leading role in the 2012 ABC-TV drama series "Missing", starring Ashley Judd and Sean Bean.

Heath Ledger: Heathcliff Andrew Ledger (4 April 197922 January 2008) was an Australian actor and director.  After performing roles in several Australian television and film productions during the 1990s, Ledger left for the United States in 1998 to develop his film career.  His work comprised nineteen films, including "10 Things I Hate About You" (1999), "The Patriot" (2000), "A Knight's Tale" (2001), "Monster's Ball" (2001), "Lords of Dogtown" (2005), "Brokeback Mountain" (2005), "The Dark Knight" (2008), and "The Imaginarium of Doctor Parnassus" (2009), the latter two being posthumous releases.  He also produced and directed music videos and aspired to be a film director.

State Theatre Centre of Western Australia: The State Theatre Centre of Western Australia is a theatre complex located within the Perth Cultural Centre in Perth, Western Australia.  The larger of three dedicated performance areas is known as the Heath Ledger Theatre in honour of Perth-born film actor Heath Ledger.

14th Empire Awards: The 14th Empire Awards ceremony (officially known as the Jameson Empire Awards), presented by the British film magazine "Empire", honored the best films of 2008 and took place on 29 March 2009 at the Grosvenor House Hotel in London, England.  During the ceremony, "Empire" presented Empire Awards in 12 categories as well as four honorary awards.  To celebrate the 20th year anniversary of "Empire" magazine a special honorary award was presented, the Actor of our Lifetime and to mark the loss of Heath Ledger, he was awarded the special honorary Heath Ledger Tribute Award.  The Sony Ericsson Soundtrack Award was renamed to "Best Soundtrack" and the Best Sci-Fi/Fantasy award was renamed this year only to "Best Sci-Fi/Superhero".  The Best Newcomer and Best Soundtrack awards were presented for the last time.  Irish comedian Dara Ó Briain hosted the show for the first time.  The awards were sponsored by Jameson Irish Whiskey for the first time.

Timeline of the presidency of Barack Obama: Barack Obama was elected President of the United States on November 4, 2008 and his first inauguration occurred on January 20, 2009.  Re-elected on November 6, 2012, his second inauguration was on January 21, 2013.  For President Obama's first 100 days in office, see First 100 days of Barack Obama's presidency.  For his time as President-elect, see Presidential transition of Barack Obama.  The following articles cover the timeline of the presidency of Barack Obama:

Melissa Thomas: Mélissa Thomas is an Australian actress.  She is the daughter of the musician and record producer G. Wayne Thomas, (Morning of the Earth) and co-starred with Heath Ledger in the television series "Sweat" (1996) and has most recently been seen in the Heath Ledger episode of "E! True Hollywood Story" as herself, speaking frankly about life as his friend and co-star.  She has featured in a number of films and television series / mini-series over the years.

The Dark Knight (film): The Dark Knight is a 2008 superhero film directed, co-produced, and co-written by Christopher Nolan.  Featuring the DC Comics character Batman, the film is the second part of Nolan's "The Dark Knight Trilogy" and a sequel to 2005's "Batman Begins", starring an ensemble cast including Christian Bale, Michael Caine, Heath Ledger, Gary Oldman, Aaron Eckhart, Maggie Gyllenhaal and Morgan Freeman.  In the film, Bruce Wayne/Batman (Bale), Police Lieutenant James Gordon (Oldman) and District Attorney Harvey Dent (Eckhart) form an alliance to dismantle organized crime in Gotham City, but are menaced by a criminal mastermind known as the Joker (Ledger) who seeks to undermine Batman's influence and create chaos.

Peter Finch: Frederick George Peter Ingle Finch (28 September 191614 January 1977) was an English-born Australian actor.  He is best remembered for his role as "crazed" television anchorman Howard Beale in the film "Network", which earned him a posthumous Academy Award for Best Actor, his fifth Best Actor award from the British Academy of Film and Television Arts, and a Best Actor award from the Golden Globes.  He was the first of two persons to win a posthumous Academy Award in an acting category, and coincidentally also the first of the two Australian actors to have done so, the other being Heath Ledger.

The Joker (The Dark Knight): The Joker is a fictional supervillain from American comic book publisher DC Comics and the main antagonist in Christopher Nolan's 2008 superhero film "The Dark Knight".  He was portrayed by late Australian actor Heath Ledger.  Ledger's interpretation of the character is specifically influenced by the graphic novels "" and "".  In the film, he wears the character's traditional color palette, while his facial appearance includes clown makeup that covers facial scars of a Glasgow smile.

Supporting paragraphs: Barack Obama &quot;Joker&quot; poster Heath Ledger
Answer: Firas Alkhateeb