The Mexican Runner is trying to play through every single NES game ever. Streams almost daily and lets viewers choose the next game.
NES Retku doesn't have as ambitious of a goal but he is trying to play through every NES game he owns and tries to beat as many as he can during his life. Finnish but often gets foreign viewers too. Current list of unfinished games on
Backloggery. More being added in time.
Screwattack plays a brand new game in Out of the Box every Wednesday 11am CST and has a weekly stream every Friday 3pm CST.
Professional Jared. I don't think I need to tell much about him, pretty known from YouTube.
BikeMan Streams pretty often big MMO games like Archeage, DayZ, Stomping Land and Monster Hunter Online.
Scare 2 Care A long ass stream once a year with horror games to benefit cancer patients. Check 'em at their website at
http://scaretocare.com/
Adkit2 A former Swedish let's player, now a full time streamer. Regular streams every day at 1pm CST with a big variety of games, check the schedule on the right of the profile page.
TheJWittz, most known for his Pokémon videos (and now also Nintendo related) on YouTube but plays a lot of other stuff too on streams.