It did not have any specific name or rather such details are not made available.
== ==
Kapidhwaja
No, Roshvik is not the name of the chariot (rath) of Lord Krishna. The name of Krishna's chariot during the great Kurukshetra War, as described in the Mahabharata, is typically referred to as "Vijaya." Krishna served as the charioteer for Arjuna, guiding him during the battle.
The grandson of Arjuna was Parikshit - the son of Abhimanyu.
There are number of heroic things that Arjuna do in Mahabharata. The list is long and beyond the scope. Better you read the Mahabharata. Rather study the Mahabharata.
Arjuna is a hero in the Hindu epic, Mahabharata.
devdutta
Kapi Dhwaja (The Chariot With Monkey Lord, Hanumana on it's flag)
Draupadi and subhadra
Gandiva is the bow used by Arjuna. The bow was given by Lord Agni.
Arjuna heard it.
Chitrasen :)