Crossovers That Should Not Be 27 - three sets of three rules of three... stinkers

[Jinx999]

So some of you might be familiar with "Scatman (ski-ba-bop-ba-dop-bop)" by Scatman John from the 1990s.  I have it in my MP3 collection, and it came up in the shuffle for the first time in a couple months yesterday and got stuck in my head.  Now, one of the most repeated bits in it is the line "I'm the Scatman"... and at some point this morning as I was getting ready for work, my brain swapped in Michael Keaton saying, "I'm the Batman" in the 1989 Batman movie instead.  And now I want to completely rewrite and record the song to be a Batman filk...

https://superredundant.com/?comic=1379-all-that-jazz