38 known values for glider with current usage counts:

1. default (22938× used)
2. purple (22008× used)
3. yellow (7562× used)
4. pumpkin (4927× used)
5. umbrella (3678× used)
6. bat_wings (1083× used)
7. cat_ears (877× used)
8. festive_drift (577× used)
9. bicolor (535× used)
10. plane (382× used)
11. bicolor2 (364× used)
12. jet (249× used)
13. leaf (217× used)
14. magic_carpet (193× used)
15. ufo (164× used)
16. jetpack (144× used)
17. santa_sleigh (135× used)
18. magic_cloud (124× used)
19. flower (103× used)
20. snow_glider (98× used)
21. coffin (88× used)
22. icy_umbrella (79× used)
23. pirate_sail (79× used)
24. surfboard (74× used)
25. steampunk_wings (71× used)
26. carrot (61× used)
27. black_wings (54× used)
28. kite (52× used)
29. parachute (44× used)
30. lunar_lantern (40× used)
31. bandit_glider (37× used)
32. gingerbread_wings (34× used)
33. rocket (31× used)
34. jurassic_wings (29× used)
35. heliclover (19× used)
36. festive_tree (18× used)
37. stinger (10× used)
38. black_and_white (8× used)