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I'll go first:

The Who
Trivium
Coheed and Cambria x2
Slipknot
Whitechapel
Job For A Cowboy
All That Remains
Bullet For My Valentine
Killswitch Engage
Slayer x2
Marilyn Manson
Arcanium
Suicide Silence
Machine Head
Megadeth x2
Anthrax
2Cents
Children of Bodom
Clutch
Black Label Society
Motley Crue
KISS
Iron Maiden
Black Sabbath

heart

heart

heart

Merzbow
Prurient
Stegm
John Wiese
Keiji Haino
Incapacitants
Smegma
Sissy Spacek
Enema Syringe
Consumer Electronics
Emeralds
16 b***h Pile-Up
Aaron Dilloway
The Rita
Ahlzagailzehguh
Slogun
Lee Ranaldo
Demons
Nautical Almanac
Richard Ramirez / Werewolf Jerusalem
Sick Llama
Graveyards
Wolf Eyes
Slither
Jason Lescalleet
New Pledgemaster
Keith Fullerton Whitman
Blood Stereo
Pengo
Burning Star Core
Hair Police
Halflings
The Cathode Terror Secretion
Failing Lights
The Nevari Butchers
Cleanse
Damion Romero
Sudden Infant
Negative Approach
Edwige
Head Boggle
Hive Mind
Karlheinz
Leslie Keffer
Oscillating Innards
Pain Jerk
Sewer Election
Grunt
Thurston Moore
Sickness
R. H. Yau
Jason Crumer
FFH
Shallow Waters

and probably a bunch more i don't remember

The Thermals
The Fray
Jack's Mannequin x2
Cold War Kids x2
The Honey Brothers
Romance
Sleepy Eyes of Death
Hole
Weezer x2
The Crash Kings
The Sweet Water
Rise Against
Sublime
The Dirty Heads
Project Lion Heart
Presidents of The United States of America x2
The Joy Formidable x2
Portugal. The Man
Father John Misty
AWOLNATION x3
Givers
Redlight King
The Meat Puppets
Viva Brothers
Manchester Orchestra
Neon Trees
Fences
Middle Class Rut
The Killers
Grouplove x2
Young The Giant
Death Cab For Cutie
Youth Lagoon
Of Monsters and Men x2
Foster The People
Cults
Reptar
The Lumineers
Metric
M83 x3
Passion Pit x2
Broken Social Scene
Black Whales
The Lonely Forest x2
Fun
Husky
Animal Kingdom
The Features
Milo Greene x2
Alex Clare
Walk The Moon
Atlas Genius
Morning Parade
The Royal Concept
The Kills
Butthole Surfers
Hall & Oats
Phantogram
Urge Overkill
Motopony
Seapony
The Wombats
Minus The Bear
The Helio Sequence x2
Gotye
Blitzen Trapper
Mac Miller
Low
Oberhofer x2
Why?
The Hives
FIDLAR x2
Mudhoney
The Fruit Bats
M. Ward
Baroness
Wild Orchid Children
Mastodon
High On Fire
Dethklok
Converge
Anvil
Best Coast
Love Battery
The Walkmen x2
Sigur Ros
The Gaslight Anthem
Miike Snow
Jack White
Justice
Red Hot Chili Peppers
First Aid Kit
The Growlers
Zedd
Afghan Whigs
The Head and The Heart
The Shins
The Black Keys x2
Avicii
Franz Ferdinand
Neon Indian
Jeff The Brotherhood
Trampled By Turtles
Tallest Man on Earth
Foals
Two Door Cinema Club
Cage The Elephant x2
Bright Eyes
Mumford and Sons
Animal Collective
Arcade Fire
The New Pornographers
Pelican
Black Cobra
Sweet Cobra
DJ Alph Alpha
Titus Androticus
!!! (Chk Chk Chk)
Odd Future
The Drums
Broken Bells
The Morning Benders
Brandon Flowers
Kings of Leon
The Chemical Brothers
A-Trak
Death From Above 1979
The Presets
Ozomatli
The Jezebels
Everclear
Reel Big Fish
Fight Fair
The River City Gamblers
The Cab
The Smashing Pumpkins
The Rural Alberta Advantage
City and Color
Jimmy Eat World
The Strokes
Leftfield
The National
Duran Duran

Some other bands that I don't remember the names of.

I haven't seen anyone worth mentioning.