38 known values for glider with current usage counts:

1. default (22973× used)
2. purple (22015× used)
3. yellow (7565× used)
4. pumpkin (4930× used)
5. umbrella (3787× used)
6. bat_wings (1083× used)
7. cat_ears (881× used)
8. bicolor (577× used)
9. festive_drift (575× used)
10. plane (387× used)
11. bicolor2 (362× used)
12. jet (252× used)
13. leaf (215× used)
14. magic_carpet (201× used)
15. ufo (169× used)
16. jetpack (143× used)
17. santa_sleigh (136× used)
18. magic_cloud (123× used)
19. flower (107× used)
20. snow_glider (98× used)
21. coffin (90× used)
22. icy_umbrella (82× used)
23. pirate_sail (80× used)
24. surfboard (75× used)
25. steampunk_wings (72× used)
26. carrot (60× used)
27. black_wings (54× used)
28. kite (54× used)
29. parachute (45× used)
30. lunar_lantern (41× used)
31. bandit_glider (36× used)
32. gingerbread_wings (34× used)
33. rocket (31× used)
34. jurassic_wings (30× used)
35. heliclover (20× used)
36. festive_tree (18× used)
37. stinger (11× used)
38. black_and_white (8× used)