Second Coming of Aizen
Tobikuma is the current Lieutenant for the 3rd Division.
Dainichi Nyorai is the current Captain for the 3rd Division.
Gundari Muno is the current Lieutenant for the 3rd Division.
The Insignia for the third Division of the 13 Division imperial guards is the Marigold which as former lieutenant Izuru explains represents "despair".
The Third Division is the Recreation and Activities Division. They are in charge of planning the festivities for holidays and setting up clubs and activities for the Shinigami to occupy themselves with in their free time.