Complex sentence: James "Jimmy" Donnelly (Tom Guiry)-The oldest of 4 brothers, Jimmy is a troublemaker and drug user, who is often involved in criminal activity, and known for making stupid decisions.
Split into simpler sentences: James "Jimmy" Donnelly (Tom Guiry)-The oldest of 4 brothers. He is a troublemaker and drug user, who is often involved in criminal activity, and known for making stupid decisions.