38 known values for glider with current usage counts:

1. default (22976× used)
2. purple (22016× used)
3. yellow (7566× used)
4. pumpkin (4929× used)
5. umbrella (3798× used)
6. bat_wings (1083× used)
7. cat_ears (881× used)
8. bicolor (580× used)
9. festive_drift (575× used)
10. plane (386× used)
11. bicolor2 (362× used)
12. jet (253× used)
13. leaf (215× used)
14. magic_carpet (201× used)
15. ufo (170× 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 (81× used)
23. pirate_sail (81× used)
24. surfboard (74× used)
25. steampunk_wings (72× used)
26. carrot (61× used)
27. kite (54× used)
28. black_wings (54× used)
29. parachute (44× used)
30. lunar_lantern (41× used)
31. bandit_glider (36× used)
32. gingerbread_wings (33× 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)