Peter's biological father, Mickey McFinnigan, has a pet named O'Brian who bears a striking resemblance to the Griffin family dog, Brian. What kind of animal is canine Brian's Irish counterpart?
Answer Sheep
O'Brian is a talking sheep who shares more than just similar looks with Brian Griffin. They also have the same mannerisms and catchphrases!
Asked by Rachel Bortles · Last updated 5 years ago · 25.9K views · SOURCE
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