"I'm the Guy" was a phrase on everybody's lips in 1912. Rube even had a hit song with this phrase, and this was during the time that a hit song meant that people were buying lots of copies of the sheet music!

Here, then, is the hit song of 1912, in its entirety:

If you would like to hear the song, click here. illustrations © 1912 Rube Goldberg Now in the Public Domain
Rube Goldberg is the ™ trademark of Rube Goldberg Inc.