Question: who were alive after kurukshetra war?
Answer: Thus the 12 warriors who survived Kurukshetra war Mahabharata are Krishna, Arjuna, Bhima, Yudhishthira, Nakula, Sahadeva, Yuyutsu, Satyaki, Kritavarma, Ashwatthama, Kripacharya and Vrishaketu.
Krishna:
This is the most obvious answer.