Brian Doyle-Murray (b. 1945) is an actor and comedian, and the older brother of Bill Murray. He has worked with National Lampoon and was a cast member on Saturday Night Live for four years.
He appeared in a filmed Sesame Street insert with Richard Belzer in which two men and a dog compete over a picnic lunch. (First: Episode 1120) He also provided the voice for an old beagle in the Creature Shop-effects film Dr. Dolittle (although the animal was not created by the Henson shop).