Muppet Purina Commercials - Rowlf and Baskerville (1962-1963)

The Muppets' Rowlf the Dog was originally created for a series of Purina Dog Chow commercials that aired in 1962 and 1963 in Canada. His co-star in these commercials was Baskerville the Hound who made occasional Muppet Show appearances but never rose to the same fame as Rowlf.