Ashvins

The Ashvins (Nasatya and Dasra) are the twin horsemen Hindu gods who symbolize sunrise and sunset, and are considered the gods of medicine and healing.

History
Thanks to the boon of Kunti (the mother of Arjuna, Yudhistira, Bhima, and Karna, who was blessed with the ability to call on any god to give her a son), the Ashvins became the fathers of Nakula and Sahadeva, the twin Pandavas, by King Pandu’s second wife, Madri.

Aru Shah and the End of Time
To be added

Appearence
They’re often depicted with the heads of horses.