He was the ring leader of a team nicknamed "the bad boys". They were hated by everyone outside of Detroit. Isiah was a baby faced assassin, and played with an unmatched intensity.
Isiah and Joe Dumars have got to be one the best back court tandems in NBA history. In fact, I can't think of another that dominated on both ends of the floor like they did. They won back to back titles in 89-90. Unfortunately, for Isiah, his prime coincided with the rise of Michael Jordan who despised him and kept him off the original Dream Team.