As demonstrated by the classic Dos Equis line of ads, there are no end of interesting things that an interesting man can accomplish. The World's Most Interesting GM is such a man, and it is up to us to us to spread his legend.
Here are but a few of the things that have been said about the World's Most Interesting GM:
He doesn't believe in game balance.
He can speak Osiriani... in Skald.
He has won the lifetime RP achievement award… twice.
His signature is what the spell arcane mark is based upon.
He once taught a Nessian warhound how to bark in Celestial.
His TPKs end game lines.
The city guard often question him, just because they find him interesting.
His blood cures moderate wounds.
As a feat, he has Exotic Weapon Proficiency (beard).
Gandalf always lets him pass.
He once punched a flumph. Yes, you heard me.
He remembers TORG.
His dice only roll 20s... even the d6s.
His dice bag is woven out of tarrasque leather.
He belongs to a prestige class whose sole requirement for entry is being him.
~Now go forth, and add your intriguing anecdotes to the man, the myth, the legend that is the World's Most Interesting GM. "Stay thirsty my friends."