Tramp - Shaggy off-white mutt on the sitcom MY THREE SONS/ABC/CBS/1960-72. Tramp was the family pet of Steve Douglas (Fred MacMurray), an aviation engineer who lived with his three sons Mike (Tim Considine), Robbie (Don Grady) and Chip (Stanley Livingston). Tramp (played by Spud the Dog) was trained by Frank Inn and won the PATSY award from 1961-64. When the family adopted a little boy named Ernie (Barry Livingston), he had a dog called Wilson (real name: Thompson). The sitcom ROOM FOR ONE MORE/ABC/1962 also featured a family pet with the name of Tramp.