Question: Who voices this alien that Marge reveals to have had a one-night stand with and got impregnated with Maggie?

Context articles: We Are Not Angels
Moms I'd Like to Forget
Lola Pearce
Donna Jackson
Kang and Kodos
One Life Stand (song)
List of Baby Daddy episodes
Insane Clown Poppy
Treehouse of Horror IX
Night of the Living Deb

We Are Not Angels (Serbian: Ми нисмо анђели / "Mi nismo anđeli" ) is a 1992 Serbian comedy movie directed by Srđan Dragojević that became one of the most popular films of the 1990s in the region of the former Yugoslavia.
 The plot revolves around Angel (played by Uroš Đurić) and Devil (Srđan Todorović) fighting for the soul of Belgrade playboy Nikola (Nikola Kojo) who is unaware that he impregnated a high school student named Marina (Milena Pavlović) during a drunken one-night stand.
"Moms I'd Like to Forget" is the tenth episode of "The Simpsons"<nowiki>'</nowiki> twenty-second season.
 It originally aired on the Fox network in the United States on January 9, 2011.
 In the episode, Marge reveals that she used to be in a group called "The Cool Moms" and decides to reconnect with the group.
 It was directed by Chris Clements and Brian Kelley.
 "Moms I'd Like to Forget" received mixed reviews from critics and acquired a Nielsen rating of 6.9.
 The name of this episode also plays on the acronym MILF.
Lola Pearce is a fictional character from the BBC soap opera "EastEnders", played by Danielle Harold.
 She is introduced as the granddaughter of Billy Mitchell (Perry Fenwick) and Julie Perkins (Cathy Murphy), and an extension to the already established Mitchell family.
 Lola made her first appearance on 12 July 2011.
 Her storylines have mainly focused on her relationship with her family, a teenage pregnancy after a one-night stand with her relative Ben Mitchell (Joshua Pascoe), fighting to keep newborn daughter Lexi out of care, her friendships with Abi Branning (Lorna Fitzgerald), Jay Brown (Jamie Borthwick) and Dexter Hartman (Khali Best) and a relationship with Peter Beale (Ben Hardy) despite their families' disagreements.
Donna Jackson is a fictional character from the BBC medical drama "Holby City", played by actress Jaye Jacobs.
 She appeared in the programme from its sixth series in 2004, to its thirteenth in 2011, and from its nineteenth in 2017.
 Donna entered the series as a staff nurse, characterised as a wild-child with a chaotic personal life.
 During her tenure, she grew to take her work more seriously, becoming a ward sister and accepting more personal responsibilities by adopting her half-niece Mia (Jada Wallace-Mitchell).
 A tart with a heart character, Donna had many romantic liaisons with her colleagues, including a one-night stand with midwife Mickie Hendrie (Kelly Adams).
 She ultimately fell in love with agency nurse Keiran Callaghan (Barry Sloane), and departed to be with him after he was injured in Afghanistan as part of the Territorial Army.
Kang and Kodos are a duo of fictional recurring characters in the animated television series "The Simpsons".
 Kang is voiced by Harry Shearer and Kodos by Dan Castellaneta.
 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.
"One Life Stand" is a single by Hot Chip from their 2010 album of the same name.
 It was released digitally through the iTunes Store on 30 November 2009.
 The physical release date was 1 February 2010.
 Vocalist Alexis Taylor said of the song, "I'm talking about turning a one-night stand into someone's whole life and I think that's quite a nice thing to say".
"Baby Daddy" is an American sitcom that premiered on Freeform (then known as ABC Family) on June 20, 2012.
 The sitcom stars Jean-Luc Bilodeau as Ben Wheeler, a bartender, who while moving his brother Danny Wheeler (Derek Theler) into the apartment Ben shares with best friend Tucker Dobbs (Tahj Mowry), he's surprised when Emma, a baby girl, is left on his doorstep by Angela, a girl with whom he had a one-night stand.
 He gets help from his mother Bonnie Wheeler (Melissa Peterman) and his close female friend Riley Perrin (Chelsea Kane) who also is in love with him.
"Insane Clown Poppy" is the third episode of the twelfth season of "The Simpsons".
 It originally aired on the Fox network in the United States on November 12, 2000.
 In the episode, during an outdoor book fair, Krusty finds out he has a daughter (from a one-night stand with a woman during the Gulf War), but loses her trust after gambling away her violin to Fat Tony, prompting Homer and Krusty to retrieve it.
"Treehouse of Horror IX" is the fourth episode in the tenth season of the American animated television series "The Simpsons".
 It first aired on the Fox network in the United States on October 25, 1998.
 This is the ninth "Treehouse of Horror" episode, and, like the other "Treehouse of Horror" episodes, contains three self-contained segments: In "Hell Toupée", Homer gets a hair transplant and is possessed by the spirit of an executed criminal; in "Terror of Tiny Toon", Bart and Lisa are trapped in a special, extremely violent episode of "The Itchy & Scratchy Show"; and in "Starship Poopers", Marge reveals that Maggie is the product of a one-night stand with the alien Kang.
Night of the Living Deb is a 2015 American romantic horror comedy film directed by Kyle Rankin.
 It stars Maria Thayer, Michael Cassidy, Ray Wise and Chris Marquette.
 Thayer plays an awkward woman who, after a one-night stand, realizes she has awoken to a zombie apocalypse.