Question: Brian Griffin is a fictional character from the American animated television series "Family Guy", an anthropomorphic white dog voiced by which American actor, filmmaker, comedian, and singer, working primarily in animation and comedy, as well as live-action and other genres, and is the creator of the TV series, "The Orville" (2017–present)?

full_context: Document 1: Seth Green: Seth Benjamin Green (born Seth Benjamin Gesshel-Green; February 8, 1974) is an American actor, voice artist, comedian, producer, writer, and director. Green is the creator, executive producer, writer, director and is the most-frequent voice on Adult Swim's "Robot Chicken". He directed many of the "Robot Chicken" specials including "" and "DC Comics Special". His feature films include "Airborne", "The Italian Job", "Party Monster", "Can't Hardly Wait", "Without a Paddle" and the "Austin Powers" series. Green is also known for his role as Chris Griffin on Fox's "Family Guy" and previously as Daniel "Oz" Osbourne in "Buffy the Vampire Slayer", and "Greg the Bunny". He voices Lieutenant Gibbs in "Titan Maximum" and Jeff "Joker" Moreau in the "Mass Effect" video game series. Green has appeared in movies such as "Rat Race", "America's Sweethearts", "Old Dogs", as a child in Woody Allen's "Radio Days", and in the horror films "Idle Hands" and "Stephen King's It".
Document 2: Roger (American Dad!): Roger Smith (born Wogir) is a fictional character in the adult animated sitcom "American Dad!", voiced by Seth MacFarlane. The character was created and designed by Seth MacFarlane. Roger is a centuries-old grey space alien living with the Smith family, around whom the show revolves. Having lived on Earth since 1947, Roger came to live with the Smiths after rescuing main character Stan Smith at Area 51 four years prior to the beginning of the series.
Document 3: Family Guy: Family Guy is an American animated sitcom created by Seth MacFarlane for the Fox Broadcasting Company. The series centers on the Griffins, a family consisting of parents Peter and Lois; their children, Meg, Chris, and Stewie; and their anthropomorphic pet dog, Brian. The show is set in the fictional city of Quahog, Rhode Island, and exhibits much of its humor in the form of cutaway gags that often lampoon American culture.
Document 4: Griffin family: The Griffin family is a cartoon family from the animated television series "Family Guy". The Griffins are a nuclear family consisting of the married couple Peter and Lois, their three children Meg, Chris, and Stewie, and their dog Brian.They live at 31 Spooner Street in the fictional town of Quahog, Rhode Island. Their family car is a red sixth-generation Ford Country Squire. They were created by Seth MacFarlane, in model of his two animated films, "The Life of Larry" and "Larry & Steve". The family debuted January 31, 1999, after Super Bowl XXXIII, in the episode "Death Has a Shadow."
Document 5: Peter Griffin: Peter Griffin is the main protagonist and title character of the American animated sitcom "Family Guy". He is voiced by cartoonist Seth MacFarlane and first appeared on television, along with the rest of the family, in the 15-minute pilot pitch of "Family Guy" on December 20, 1998. Peter was created and designed by MacFarlane himself. MacFarlane was asked to pitch a pilot to the Fox Broadcasting Company based on "Larry & Steve", a short made by MacFarlane which featured a middle-aged character named Larry and an intellectual dog, Steve. After the pilot was given the green light, the Griffin family appeared in the episode "Death Has a Shadow".
Document 6: Ted (film): Ted is a 2012 American buddy comedy film directed by Seth MacFarlane in his feature film directorial debut. The screenplay by MacFarlane, Alec Sulkin, and Wellesley Wild is from MacFarlane's story. The film stars MacFarlane, Mark Wahlberg, Mila Kunis, and with Joel McHale and Giovanni Ribisi in supporting roles, with MacFarlane providing the voice of the title character. The film tells the story of John Bennett, a Boston native whose childhood wish brings his teddy bear friend Ted to life. However, in adulthood, Ted prevents John and his love interest Lori Collins from moving on with their lives.
Document 7: American Dad!: American Dad! is an American adult animated sitcom created by Seth MacFarlane, Mike Barker, and Matt Weitzman for the Fox Broadcasting Company. "American Dad!" is the first television series to have its inception on Animation Domination. The series premiere aired on February 6, 2005, following Super Bowl XXXIX, three months before the rest of the first season aired as part of the Animation Domination block, commencing on May 1, 2005.
Document 8: Seth MacFarlane filmography: Seth MacFarlane is an American actor, animator, writer, producer, director, comedian, and singer. MacFarlane began his career has an animator and writer for Hanna-Barbera for several television series, including "Johnny Bravo", "Cow and Chicken", "Dexter's Laboratory", "I Am Weasel", and created a sequel to his college thesis film "Larry & Steve".
Document 9: Seth Rogen: Seth Aaron Rogen ( ; born April 15, 1982) is an American-Canadian actor, comedian and filmmaker. He began his career performing stand-up comedy during his teenage years. While still living in his native Vancouver, he landed a supporting role in the series "Freaks and Geeks". Shortly after he moved to Portland, Oregon for his role, "Freaks and Geeks" was officially cancelled after one season due to low viewership. Rogen later got a part on sitcom "Undeclared", which also hired him as a staff writer.
Document 10: Brian Griffin: Brian Griffin is a fictional character from the American animated television series "Family Guy". An anthropomorphic white dog voiced by Seth MacFarlane, he is one of the show's main characters as a member of the Griffin family. He primarily works in the series as a less-than-adept writer struggling to find himself, attempting essays, novels, screenplays, and newspaper articles.
Document 11: Stewie Griffin: Stewart Gilligan "Stewie" Griffin is a main character from the American animated television series "Family Guy". Initially obsessed with violence and matricide, Stewie (voiced by Seth MacFarlane) is the youngest child of Peter and Lois Griffin, and the brother of Meg and Chris Griffin. Over the duration of the series, the violent aspects of Stewie's personality have been toned down, and he has evolved into a more eccentric, flamboyant character. He has also come to have a very close friendship with the family's anthropomorphic dog, Brian. Stewie is considered to be the show's breakout character. "Wizard" magazine rated him the 95th greatest villain of all time.
Document 12: List of Family Guy guest stars: "Family Guy" is an American adult animated sitcom created by Seth MacFarlane for the Fox Broadcasting Company. Along with its core voice actors, the show has had its history of guest stars. The series centers on the Griffins, a family consisting of parents Peter and Lois; their children Meg, Chris, and Stewie; and their anthropomorphic pet dog Brian. The show is set in the fictional city of Quahog, Rhode Island, and exhibits much of its humor in the form of cutaway gags that often lampoon American culture.
Document 13: Brian: Portrait of a Dog: "Brian: Portrait of a Dog" is the seventh episode and the season finale of the first season of the animated comedy series "Family Guy". It originally aired on Fox in the United States on May 16, 1999. The episode features anthropomorphic dog Brian after he swallows his pride, and joins a dog show, after much convincing, in order to win money for a new air conditioner. But after an argument over a trick gone bad, with his owner, Peter Griffin, Brian realizes he is a second-class citizen and runs away from home, landing him in the pound on death row. Desperate to save their dog, the Griffin family attempts to release Brian, and prevent him from being euthanized.
Document 14: Ted 2: Ted 2 is a 2015 American comedy film directed by Seth MacFarlane and is a sequel to the 2012 film "Ted". The film's screenplay was written by MacFarlane, Alec Sulkin, and Wellesley Wild. The film stars Mark Wahlberg and MacFarlane, and follows Ted as he fights for civil rights in order to be recognized as a person to have kids. "Ted 2" was released on June 26, 2015, by Universal Pictures. The film grossed over $216 million and received mixed reviews.
Document 15: Seth MacFarlane: Seth Woodbury MacFarlane (born October 26, 1973) is an American actor, filmmaker, comedian, and singer, working primarily in animation and comedy, as well as live-action and other genres. MacFarlane is the creator of the TV series "Family Guy" (1999–2003, 2005–present) and "The Orville" (2017–present), and co-creator of the TV series "American Dad!" (2005–present) and "The Cleveland Show" (2009–2013). He also wrote, directed, and starred in the films "Ted" (2012), its sequel "Ted 2" (2015), and "A Million Ways to Die in the West" (2014).
ground_truth: Seth MacFarlane