My huge list of seconds:
Koopa Troop (Mario)
Order of the Phoenix (Harry Potter series)
Deadly Viper Assassination Squad (Kill Bill)
Dumbledore's Army
Fellowship of the Ring (Lord of the Rings)
Planet Express (Futurama)
Power Rangers (Mighty Morphin' Power Rangers)
Aperture Science (Portal)
Brotherhood of (Evil) Mutants (X-Men)
Coon and Friends (South Park)
Project Mayhem (Fight Club)
Cobra (G.I. Joe)
Horde (Warcraft)
League of Evil Exes (Scott Pilgrim)
Los Pollos Hermanos (Breaking Bad)
No Ma'am (Married with Children)
Rebel Alliance (Star Wars)
Shadaloo (Street Fighter)
Basterds (Inglourious Basterds)
Corleone Family (The Godfather)
Decepticons (Transformers)
Fantastic Four (Marvel Comics)
G.I. Joe (G.I. Joe)
Griel Mercenaries (Fire Emblem Path of Radience)
Gryffindor House (Harry Potter)
Maverick Hunters (Mega Man X)
Ministry of Silly Walks (Monty Python)
Organization Without a Cool Acronym (Phineas and Ferb)
Sacred Heart Hospital (Scrubs)
Straw Hat Pirates (One Piece)
Zombies (Plants vs Zombies)
Alliance (World of Warcraft)
Animorphs (Animorphs)
Black Crusaders (30 Rock)
Blues Brothers (Blues Brothers)
Breakfast Club (The Breakfast Club)
Cantina Band (Star Wars)
Consumer Recreation Services (CRS) (The Game)
Crazy 88 (Kill Bill)
Crew of The Flying Dutchman (legend/myth)
Dead Poet's Society (The Dead Poet's Society)
Doofenshmirtz Evil Incorporated (Phineas and Ferb)
Mad Hatter's Tea Party (Alice in Wonderland)
Melee Island Chamber of Commerce (Monkey Island)
Nine Circles of Hell (Dante's Inferno)
Outer Heaven (Metal Gear series)
People Who Seconded Mod Cabal (Myth/Legend)
Pigmask Army (Mother 3)
Shadow Proclamation (Doctor Who)
Silence (Doctor Who)
Singing Furniture Servants (Beauty and the Beast)
Spinal Tap (This Is Spinal Tap)
Starfleet (Star Trek)
Three Amigos (The Three Amigos!) (These are the characters in a fictional film franchise within the film)
Trio of Outlaws (The Princess Bride)
Urine Good Company (Urinetown)
Urinetown Rebellion (Urinetown)
Vandaley Industries (Seinfeld)
Also nominating for the first time:
Shrine Knights (Final Fantasy Tactics)
Felt (Homestuck)
--
bokonon get your sense-making the **** out of this topic now - Cat1001
Brawl FC: 1461-9803-2942 /// X-Box Live Gamertag: AGGGH