Intensive Sources Unit

Sources: (in order of appearance, excluding "private" sources)

Keyboard cat
Keyboard crusher (Angry German kid)
Super Mario Bros.
Shoop da Whoop
Jack Black defines octagon
Nostalgia Critic
Explosion from Spongebob
Zorbeez
Lucky star
Hotel Mario
Say whaaaat? (Clone High)
Shamwow
Slap chop
Fred
CD-i Zelda series
Penn Jillette "STFU"
Explosion from "Penguins of Madagascar"
MilkshakemanCP
Mario's Game Gallery - Go fish
Charlie bit my finger
300 / This is Sparta
AVGN
TF2 / Meet the team series
Nigahiga
asdfmovie
Old soccer fail video
Orabrush ad
Super Mario World TV series
Ray William Johnson
Azumanga Daioh
Ran ran ruu
Oh my gooood (Troll 2)
Hammer
Fr3aky
Pokémon Extreme!
Scarlet takes a tumble