38 known values for glider with current usage counts:

1. default (23418× used)
2. purple (22243× used)
3. yellow (7567× used)
4. umbrella (4930× used)
5. pumpkin (4928× used)
6. bicolor (1207× used)
7. bat_wings (1091× used)
8. cat_ears (946× used)
9. festive_drift (567× used)
10. plane (461× used)
11. bicolor2 (355× used)
12. magic_carpet (310× used)
13. jet (283× used)
14. ufo (250× used)
15. leaf (209× used)
16. jetpack (146× used)
17. santa_sleigh (140× used)
18. magic_cloud (126× used)
19. flower (123× used)
20. snow_glider (117× used)
21. coffin (90× used)
22. icy_umbrella (83× used)
23. pirate_sail (81× used)
24. steampunk_wings (80× used)
25. kite (77× used)
26. surfboard (75× used)
27. parachute (67× used)
28. carrot (60× used)
29. black_wings (50× used)
30. lunar_lantern (45× used)
31. black_and_white (42× used)
32. bandit_glider (42× used)
33. jurassic_wings (39× used)
34. rocket (36× used)
35. gingerbread_wings (32× used)
36. festive_tree (17× used)
37. heliclover (17× used)
38. stinger (8× used)