Legend of Zelda sprites:
http://www.spriters-resource.com/custom_edited/zelda/sheet/23116
http://img225.imageshack.us/i/quickpng.png/sr=1
http://www.zeldac.com/sprite-sheets-and-tilesets/ <-- mostly items, some links and zeldas
Everything Mario
Balloon Fight
DK
F-Zero
Sonic
Pokemon
Pokemon Elite 2000
Spriters Resource - Pokemon
FortPortCity - Pokemon Sprites
TGC Player
Pocket Monsters Go! Go! Go!
Pokemon Red/Blue
Pokemon Green
Pokemon Yellow
Pokemon Gold
http://www.google.com/imgres?i
http://img520.imageshack.us/i/characterspritestz6.png/sr=1
http://i15.tinypic.com/2lmxxlh.jpg
http://www.mobianlegends
http://fc02.deviantart.com/fs29/f/2008/060/b/0/PMD_Sprites_152_251_by_sushi_dragonfire.pn
http://twinkletoes70.tripod.com/pokemon/pokemonani72.gif
http://projectpokemon.org/forums/attachment.php?attachmentid=5371&d=1285366264
Metroid
http://www.google
http://www.google.com/imgres
http://www.google.com/imgres?imgurl=http:
http://media.photobucket.com/image/samus%20sprite%20sheets/StevemanPDSprites/Samus_In_Pixels.gif
http://media.photobucket.com/image/chozo%20sprite%20sheets/shingodslayer/rips/metzm__chozo_statue.png
http://www.google.com/imgres?imgurl=http://www.mcleodgaming.com/ssf2sprites
http://metroidpower.tripod.com/mfusion-ridleyX.gif
Kirby
http://www.google.com/imgre
http://fc06.deviantart.net/fs71/f/2010/205/3/2/kirby_sprite_sheet_by_silverhusky99.png
http://www.nes-snes-sprites.com/ImagesSheet/KirbySuperStarSheet4.gif
http://diehardkirbyfan.tripod.com/sitebuildercontent/sitebuilderpictures/kirbysuperstakirby.gif
http://www.spriters-resource.com/ds/kssu/abilityenemies.png
http://www.google.com/imgres?imgurl=http://www.spriters
http://www.spriters-resource.com/ds/kssu/metaknightplay.gif
http://www.nes-snes-sprites.com/ImagesSheet/KirbySuperStarSheet17.gif
http://www.nes-snes-sprites.com/ImagesSheet/KirbyDreamLand3Sheet1.gif
http://jamesdojo.files.wordpress.com/2009/10/kirbyhats.png
Ice Climbers
http://img27.imageshack.us/i/iceclimbers32bitcustomspritesh2.png/sr=1
http://www.nes-snes-sprites.com/ImagesSheet/IceClimberSheet1.gif
Mr. Game and Watch
http://www.billyzone.com/Other/Mr.GameWatch.gif
http://media.photobucket.com/image/mr%20
Tetris
http://www.spriters-resource.com/nes/tetris/tetrads.png
Galaga
http://scratch.mit.edu/static/projects/Sohksprite/633406_med.png
http://www.nes-snes-sprites.com/ImagesSheet/GalagaSheet1.gif
Street Fighter
http://images4.wikia.nocookie.net/__cb20100627141243/sfgalleries/images/a/af/Ryu.gif
http://bbsimg.ngfiles.com/2/16617000/ngbbs4858116fdbabe.gif
http://img401.imageshack.us/i/ryuandken.png/sr=1
Teen Mutant Ninja Turtles
http://www.nes-snes-sprites.com/ImagesSheet/TeenageMutantNinjaTurtlesMutantWarriorsSheet6.gif
http://www.nes-snes-sprites.com/ImagesSheet/TeenageMutantNinjaTurtlesMutantWarriorsSheet4.gif
ROB
http://media.photobucket.com/image/ROB%20sprite%20sh