38 known values for glider with current usage counts:

1. default (23456× used)
2. purple (22255× used)
3. yellow (7563× used)
4. umbrella (4975× used)
5. pumpkin (4932× used)
6. bicolor (1248× used)
7. bat_wings (1091× used)
8. cat_ears (944× used)
9. festive_drift (567× used)
10. plane (463× used)
11. bicolor2 (355× used)
12. magic_carpet (312× used)
13. jet (287× used)
14. ufo (254× used)
15. leaf (209× used)
16. jetpack (148× used)
17. santa_sleigh (139× used)
18. magic_cloud (124× used)
19. flower (123× used)
20. snow_glider (116× used)
21. coffin (90× used)
22. icy_umbrella (83× used)
23. pirate_sail (83× used)
24. steampunk_wings (80× used)
25. kite (78× used)
26. surfboard (75× used)
27. parachute (67× used)
28. carrot (60× used)
29. black_wings (51× used)
30. lunar_lantern (46× used)
31. black_and_white (44× used)
32. bandit_glider (42× used)
33. jurassic_wings (38× used)
34. rocket (36× used)
35. gingerbread_wings (32× used)
36. heliclover (17× used)
37. festive_tree (17× used)
38. stinger (8× used)