-Mario defeats Bowser. [This one's a no-brainer.]
-Mario is more known than Luigi. [Again, very intuitive.]

-Bowser defeats Luigi. [Luigi is weaker than Mario and would lose.]
-Bowser kidnaps Peach. [Simple.]

-Luigi ignores Peach. [She's unimportant for him.]
-Luigi bicycle jumps over Gap. [He's Air Luigi after all.]

-Peach floats over Gap. [Super Mario Bros. 2.]
-Peach commands Mario. [So true.]

-Gap's too wide for Mario. [It's a very wide gap.]
-Gap's too wide for Bowser. [Fatty can't jump.]

Mario RPS by Artemendo of Waluigious.
http://www.waluigious.com/