There's a tradition on Twitter called Follow Friday, where you post a hash tag (#followfriday or #ff) and list interesting people you follow and think others should follow. The only problem with Follow Friday is that in 140 characters it's difficult to explain who these people are (unless their Twitter user name is their own name, and they're well known) or why they should be followed.
To carry on the tradition of 101 RPG geeks you should follow on Twitter, each Friday here at Examiner.com will feature a random selection of Twitter users worth your attention.
Gamers' Inn http://twitter.com/GamerSinn Hobby Paradise at the Southwest Corner of Stapley and Southern in Phoenix. The Place to Play!
Outpost Games http://twitter.com/outpostgames A gamer geek, running a store for other gamer geeks.
Jason L Blair http://twitter.com/jasonlblair Creator of Little Fears!
WyattSalazar http://twitter.com/wyattsalazar AKA Dennis Santana, blogger at Spirits of Eden
GreenSorceress http://twitter.com/greensorceress Marion Driessen, from Holland, a writer and gamer.
Why Follow Friday? For a great overview on what Follow Friday can do for you, check out this article by Providence Social Media Examiner Cheryl Phillips.