Rain-Inator is a very short song sung by Dr. Doofenshmirtz in the episode "The Great Indoors" for showing Perry his new inator.
Dr. Doofenshmirtz: My Rain-Inator
- This song is based on "Singin' in the Rain", a song with lyrics by Arthur Freed and music by Nacio Herb Brown, published in 1929. It is most famously associated with the musical film of the same name: Singin' in the Rain.
"Quirky Worky Song" ("The Great Indoors")
"Set the Record Straight"