Answer

In Jain tradition, the 20 Viharman Tirthankars are the Tirthankars who are presently preaching Jain Dharma in Mahavideh Kshetra.

Their commonly recited names are:

1. Shree Simandhar Swami
2. Shree Yugmandhar Swami
3. Shree Bahu Swami
4. Shree Subahu Swami
5. Shree Sujat Swami
6. Shree Svayamprabh Swami
7. Shree Rushabhdev Swami
8. Shree Anantveer Swami
9. Shree Surprabh Swami
10. Shree Vishalprabh Swami
11. Shree Vajradhar Swami
12. Shree Chandranan Swami
13. Shree Chandrabahu Swami
14. Shree Bhujangam Swami
15. Shree Ishwar Swami
16. Shree Nemiprabh Swami
17. Shree Veersen Swami
18. Shree Mahabhadra Swami
19. Shree Devyash Swami
20. Shree Ajitveer Swami

Takeaway

These 20 Viharman Tirthankars are deeply revered because, according to Jain tradition, they are currently present and giving deshna in Mahavideh Kshetra.