Most Inspiring Twitter Celebrity Users
Bio: Funny "Heroes" actor-dad jams for charity with all-star band The Band from TV and tweets for epilepsy awareness for his afflicted son.
Recent Tweet: "Playing spelling Bee with the kids in bed. They're beating me. Are you smarter than a 5th grader? A Third Grader? & a Pre-K...'er?!! NO"
Follow Greg Grunberg: http://twitter.com/greggrunberg
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