38 known values for glider with current usage counts:

1. default (23290× used)
2. purple (22169× used)
3. yellow (7563× used)
4. pumpkin (4921× used)
5. umbrella (4551× used)
6. bat_wings (1091× used)
7. bicolor (998× used)
8. cat_ears (921× used)
9. festive_drift (569× used)
10. plane (436× used)
11. bicolor2 (360× used)
12. magic_carpet (278× used)
13. jet (277× used)
14. ufo (216× used)
15. leaf (210× used)
16. jetpack (142× used)
17. santa_sleigh (138× used)
18. magic_cloud (125× used)
19. flower (117× used)
20. snow_glider (104× used)
21. coffin (89× used)
22. icy_umbrella (84× used)
23. pirate_sail (78× used)
24. steampunk_wings (76× used)
25. surfboard (75× used)
26. kite (70× used)
27. parachute (60× used)
28. carrot (60× used)
29. black_wings (53× used)
30. lunar_lantern (42× used)
31. bandit_glider (40× used)
32. black_and_white (40× used)
33. rocket (37× used)
34. gingerbread_wings (33× used)
35. jurassic_wings (30× used)
36. heliclover (17× used)
37. festive_tree (17× used)
38. stinger (11× used)