156 known values for skin with current usage counts:

1. default (22167× used)
2. red (16709× used)
3. green (11175× used)
4. follower (4255× used)
5. clown (1167× used)
6. trapper (1055× used)
7. vampire (875× used)
8. cool_cap (835× used)
9. lab_apprentice (800× used)
10. daisy (616× used)
11. helmet_banana (553× used)
12. snowman (551× used)
13. og_white (476× used)
14. anniversary (452× used)
15. rural_fella (414× used)
16. party_hat (393× used)
17. gingerbread (306× used)
18. panda (227× used)
19. gift_box (222× used)
20. monk (213× used)
21. pumpkin (213× used)
22. black_dog (194× used)
23. og_purple (183× used)
24. dog (164× used)
25. anniversary_2 (162× used)
26. builder (161× used)
27. edm (158× used)
28. toaster (140× used)
29. demon (136× used)
30. tea_cup (126× used)
31. og_yellow (118× used)
32. cyborg_3 (109× used)
33. og_pink (108× used)
34. cyborg_1 (91× used)
35. grim_reaper (90× used)
36. reindeer (89× used)
37. bad_cap (87× used)
38. green_spikes (87× used)
39. elf (85× used)
40. detective (73× used)
41. evil_bot (68× used)
42. king (67× used)
43. wizard (67× used)
44. joker (63× used)
45. cubix (63× used)
46. narwhal (61× used)
47. mad_scientist (61× used)
48. grey_cat (61× used)
49. orca (60× used)
50. sushi (56× used)
51. yeti (53× used)
52. headset (51× used)
53. eliminated (50× used)
54. cat (50× used)
55. mummy (49× used)
56. peach (49× used)
57. spikes (48× used)
58. rplace (48× used)
59. white_demon (48× used)
60. parrot (45× used)
61. shades (44× used)
62. security_bot (44× used)
63. anniversary_3 (42× used)
64. fries (41× used)
65. bow_tie (38× used)
66. ninja (37× used)
67. angel (37× used)
68. siren (37× used)
69. murica (36× used)
70. lunar_dragon (36× used)
71. top_hat (34× used)
72. alien (33× used)
73. wolf (33× used)
74. country_nl (30× used)
75. cyborg_2 (28× used)
76. ghost (27× used)
77. astronaut (27× used)
78. devil (27× used)
79. icefox (26× used)
80. apple (23× used)
81. shark_attack (23× used)
82. whale (23× used)
83. ramen (22× used)
84. bee_costume (21× used)
85. festive_lights (21× used)
86. treasure_chest (20× used)
87. monkey (19× used)
88. rabbit (19× used)
89. block (19× used)
90. bandit (18× used)
91. tiger (17× used)
92. country_de (17× used)
93. country_us (17× used)
94. blue_dinosaur (17× used)
95. bunny_costume (16× used)
96. firefox (15× used)
97. scuba_diver (15× used)
98. curious_bot (15× used)
99. cow (15× used)
100. banana (14× used)
101. science_adept (14× used)
102. boby (14× used)
103. country_fr (13× used)
104. burger (12× used)
105. pirate (12× used)
106. country_pl (12× used)
107. country_gb (11× used)
108. spy (11× used)
109. dinosaur (11× used)
110. shape (11× used)
111. leprechaun (11× used)
112. country_be (11× used)
113. country_au (11× used)
114. carrot_costume (11× used)
115. country_se (11× used)
116. country_il (10× used)
117. fairy (10× used)
118. steampunk (10× used)
119. mecha (10× used)
120. country_fi (9× used)
121. burglar (9× used)
122. polar_bear (8× used)
123. country_no (7× used)
124. firefighter (7× used)
125. country_gr (7× used)
126. mark (7× used)
127. country_cz (7× used)
128. country_ro (7× used)
129. unicorn (7× used)
130. country_it (6× used)
131. fossil (6× used)
132. nutcracker (6× used)
133. red_cocoa (6× used)
134. cardboard_box (6× used)
135. hamster (6× used)
136. pig (6× used)
137. graffiti (6× used)
138. country_es (5× used)
139. country_ca (5× used)
140. yellow_crown (5× used)
141. country_hu (4× used)
142. country_ch (4× used)
143. jailbreak (4× used)
144. pineapple (4× used)
145. buffalo (4× used)
146. green_cocoa (4× used)
147. country_ru (4× used)
148. country_hr (3× used)
149. stinger (3× used)
150. popcorn (3× used)
151. country_si (3× used)
152. alice (2× used)
153. laurel (2× used)
154. white_crown (2× used)
155. artist (1× used)
156. blue_crown (1× used)