The "Who's On First?" vaudville comedy routine evolved under various performers throughout the 1920-30s until Bud Abbott and Lou Costello perfected it in 1938, and even copyrighted it in 1944. Since then, it has inspired many imitators, as you can see in the videos below.
By Shakespearean actors in Elizabethan English:
In Star Wars, featuring Jar-Jar Binks and Yoda:
For English majors and grammarians:
Hu's On First? (Bush and Condi Rice trying to figure out Hu who is the new leader of China.)