Mark-Paul Gosselaar played the Bart Simpson of Bayside, Zack Morris. A "preppy" schemer, Zack was best known for his backfiring antics, his huge cell phone, his love for Kelly, his distaste for Belding and his ability to make time stand still. Literally. —XFINITY Entertainment Staff (Photo: NBC)
The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.