Who voices this alien that Marge reveals to have had a one-night stand with and got impregnated with Maggie?
Treehouse of Horror IX "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.
Barney Gumble Barnard "Barney" Gumble is a fictional character on the American animated sitcom "The Simpsons". The character is voiced by Dan Castellaneta and first appeared in the series premiere episode "Simpsons Roasting on an Open Fire". He is the town drunk of Springfield and Homer Simpson's best friend. His desperation for alcohol is a frequent butt of jokes on the show. Barney sobered up in the episode "Days of Wine and D'oh'ses", which was co-written by Castellaneta, and stayed sober for several seasons. Barney was inspired by the cartoon character Barney Rubble from "The Flintstones" and by several barflies from other television programs. In 2004, Castellaneta won an Emmy Award for voicing various characters, including Barney.