Bill Cosby (@BillCosby) March 16, 2012
Followers: 2.5 million
Remember how good watching The Cosby Show could make you feel? Twitter, we’ve got Bill Cosby right here. The beloved comedian and actor hosts one of the most positive environments on Twitter, a departure from the cynicism that seems to roam freely through your feed.
Follow @TIME & tell us what you think of our list using hashtag #Twitter140 Follow @time