Columbo (character) he is visiting them. "Étude in Black" (1972) marked the first appearance of the lieutenant's basset hound, named "Dog". "Dog" came to be an occasional regular character in the films. Columbo considered names like "Fido", "Munch" and "Beethoven" but ultimately settled on "Dog". In "Sex and the Married Detective", Columbo is put on the spot when he is asked to play the tuba. Reluctantly he agrees, only to demonstrate great proficiency. He subsequently claimed that at school, the tuba was the only instrument left. In several episodes, Columbo is seen eating a breakfast of a boiled egg, usually while investigating
Mrs. Columbo a first name in the original "Columbo" series but was named Kate in this series. After poor ratings and reception from both audiences and the original producers of "Columbo", both the series and the eponymous character herself were renamed in an attempt to change direction, but this did not help ratings and the series was ultimately canceled in March 1980 after 13 episodes had aired. Neither Peter Falk nor the character of Lieutenant Columbo ever appeared on or endorsed the show. Kate Columbo (later renamed Kate Callahan after an off-screen divorce) is the wife of Lieutenant Columbo, the title character