Answer:
1.Prithvi Narayan Shah
2. Bhuktaman
3. Elam also known as Yalambar
4. Mahashivagupta(alias Janamejaya)
5. Bhaskerverma
6. Manadeva I
7. Arimalla or Ari Dev
8. Jaya Prakash Malla of Kathmandu, Tej Narsingh Malla of Lalitpur and Ranajit Malla of Bhaktapur
9. Jaya Prakash Malla
10. Not sure but i think it is Jayaparakash Malla
11. Jung Bahadur Rana
12. Bhuvan Singh
13. Amshuvarma
14. Jang Bahadur
15. Bishweshwar Prasad Koirala
16. Pushpa Kamal Dahal
17. Louis XVI
18. Gyanendra Bir Bikram Shah Dev
19. George Washington
20. Sir Rabindranath Tagore
