The Immortals who are waiting for Kalki Avatar
At the end of Kali Yuga, Lord Vishnu will come to Earth in the form of Kalki Avatar.
According to Vedas at the end of Kali Yuga, Hanuman will meet Kalki to fight against Adharma.
According to Puranas, Parashuram will be the Guru for Kalki Avatar.
It is mentioned in the Purana that the curse of Ashwathama will be released by Kalki Avatar.
Veda Vyasa is in deep meditation waiting for Kalki Avatar.
Shri Rama favored Vibhishana to become Chiranjeevi and to get blessed by Kalki Avatar in Kali Yuga.
Vamana pushed Bali Chakravarthi to Patal Lok. From then he is waiting for Kalki Avatar to get Moksha.
For Kripacharya Honesty Lord Krishna favored him to become Chiranjeevi, from then he is in deep meditation waiting for Vishnu's Kalki Avatar.