Despite my really old comment above, I would have to agree that mentioning dog years is useless for this article. His age is always depicted as seven. His age is always depicted as seven. He seems to be the wisest and most sensible of all the characters, regardless of the fact that his still urinates on the carpet in Lois' presence. He's a dog."). See also: Brian (Disambiguation) Brian Griffin is an 8-year old talking white Labrador who has lived with the Griffin family since Peter picked him up as a stray as shown in "Brian: Portrait of a Dog".He also possesses various anthropomorphic qualities, such as the ability to speak intelligently, drive a car, and walk bipedally. He is eight years old, which is 56 dog years! Brian (Seth MacFarlane) is the Griffin family's dog. He also possesses various anthropomorphic qualities, such as the ability to speak intelligently, drive a car, and walk bipedally. Brian H. Griffin is the Griffin family's talking dog on Family Guy. ... Peter Old - Duration: 10:15. In Family Guy, Seth MacFarlane does the voices of Peter Griffin, Stewie Griffin, Brian Griffin, and Glen Quagmire, Seth Green does the voice of Chris Griffin, and Mila Kunis does the voice of … Nowhere has there ever been a reference to him being 49 years old on the show. The only reason it would be mentioned is if, say, a dog … Despite my really old comment above, I would have to agree that mentioning dog years is useless for this article. Brian Griffin is an 8-year old talking white Labrador who has lived with the Griffin family since Peter picked him up as a stray. In "Brian: Portrait of a Dog", it is revealed that Brian became a Griffin during his adulthood, when Peter offered him a home with his family in Quahog, but in The Man with Two Brians, Brian shows the family videos of him as a puppy, already living in the Griffin's house. Family Guy - Brian Is 56 In Dog Years. His age is usually treated differently depending on the joke. He is the son of Coco and Biscuit. 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. In storyline it's because Brian is an aimless contrarian (watch the horrific episode where he becomes a republican) and is aethiest likely because Peter and Lois are religious. Family Guy - Brian Is 56 In Dog Years. In reality, lazy writing, and to maintain the status quo. Brian has also been accidentally been called "Brain Griffin" in "Brian: Portrait of a Dog", by the dog show announcer. In the episode "Brian in Love", he states: "I'm seven years old and if I play my cards right, I got seven more years ahead of me." Search. Nowhere has there ever been a reference to him being 49 years old on the show. He's also a talking dog, lol. Skip navigation Sign in. The only reason it would be mentioned is if, say, a dog was reading the article on Brian Griffin.