panchajanya
If you are asking about Lord Krishna's Shankh (they used in Mahabharat) then It's name Panchjanya
First of all he is not krishna's son but is of Lord Shiva's son and his name is God Ganesha
Suryadev - Lord Sun was the father of Karna
mace - Gadha
Kaustubh is a Sanskrit name that means "a divine jewel" or "a precious gem." In Hindu mythology, Kaustubh is also the name of a precious gem worn by Lord Vishnu.
Gandiva is the bow used by Arjuna. The bow was given by Lord Agni.
Kapi Dhwaja (The Chariot With Monkey Lord, Hanumana on it's flag)
jayasanhita
== ==
Jaya
Mahabharata itself. It is an epic narrative of the Kurukshetra War and the fates of the Kauravas and the Pandavas.
Dritharashtra