As Randy Taylor on Home Improvement, Jonathan Taylor Thomas’ fame soared to new heights. He was just 10 years old when he made his debut on the Tim Allen-led sitcom. After he left the series to go to college in 1998, Jonathan rarely made any more television appearances. Find out where the former teen icon is today.  What Happened to Jonathan Taylor Thomas?  Prior to becoming a favorite on Home Improvement, Jonathan, born Jonathan Taylor Weiss in 1981, appeared on The Bradys and In Living Color. Once he made his debut as middle child Randy on the Emmy-nominated program, his life was forever changed. The Pennsylvania native landed countless magazine…