Let's see what I can remember.
/jranger
Go Hunt. Kill Skuls.
Jerk Hackers
Game has gone to the Americans!
The half hellion / half skull kid whose parents were lesbians.
Also, /regen is nerfed.
WTH? Oil Slick?
Big Red Ball
ED jokes
The Mighty Scourge's guide to empathy
Fruit Salad Defenders / Fruit anything
Cuppa anything
Fr34ksh0w sp33k
Speaking Style: Rikti
Becky the Tarantula Mistress
Blue Steel, the Chuck Norris of Paragon City
Hellion & Skull Girlfriends
Behemoth Farms
Lolstalkers
Blood of the Black Stream and Avillians (that never happened)
Scrapperlock
SMASH!
Costume Contests under Atlas
Hunting glowies in Orenbega
Layer Cake Caves and Office Spaces from Hell
Pocket D and ERP stereotypes
My man Nemesis is down with the street, as it were.
The best cutscene in MMO history, where you meet your character's alternate reality counterpart.
No seriously, that is pure greatness.
The Tin Mage and the Prestidigitator's letters.
So what else have I missed?