[1] Gallagher and Shean first joined forces during the tour of The Rose Maid in 1912, but they quarreled and split up two years later, in 1914.

"[1] The song endured in popularity and was regularly tweaked and updated with additional verses; consequently, it exists in several different versions.

When performed by other artists, it was usually preceded with this introductory lyric: The song was extremely popular and well remembered: a pastiche was included in The Cabaret Girl, a 1922 musical produced in London; a parody of it was recorded by Bing Crosby and Johnny Mercer in the late 1930s; another parody was performed by Jackie Gleason and Groucho Marx (who was Al Shean's nephew) on television in 1967; and Lenny Bruce was able to make an offhanded reference to it in his nightclub act of the 1960s, all of them confident that audiences would recognize it right away.

[2] This cross-talk format continues to be imitated, parodied, and referenced for audiences who may have no knowledge of the original.

The comedians' defense was that their act was mediocre, and the judge initially found in their favor, although the decision was later reversed.

For a time in the 1920s, Gallagher was involved with his protegee, vivacious French-Canadian dancer Fifi D'Orsay.

The constant backstage hostilities inspired Neil Simon to incorporate them into his successful show business-themed comedy The Sunshine Boys.

Ed Gallagher suffered a nervous breakdown after the partnership ended in 1925 and died in 1929; Al Shean worked occasionally thereafter as a solo character actor.