158 known values for skin with current usage counts:

1. default (21847× used)
2. red (16540× used)
3. green (11081× used)
4. follower (4122× used)
5. clown (1139× used)
6. trapper (949× used)
7. vampire (867× used)
8. lab_apprentice (796× used)
9. helmet_banana (556× used)
10. snowman (554× used)
11. og_white (472× used)
12. anniversary (451× used)
13. rural_fella (415× used)
14. cool_cap (413× used)
15. daisy (394× used)
16. party_hat (392× used)
17. gingerbread (303× used)
18. panda (231× used)
19. gift_box (223× used)
20. pumpkin (214× used)
21. monk (210× used)
22. black_dog (190× used)
23. og_purple (183× used)
24. anniversary_2 (165× used)
25. dog (165× used)
26. builder (160× used)
27. edm (154× used)
28. toaster (138× used)
29. demon (126× used)
30. tea_cup (120× used)
31. og_yellow (117× used)
32. og_pink (109× used)
33. cyborg_3 (107× used)
34. reindeer (89× used)
35. green_spikes (87× used)
36. elf (87× used)
37. cyborg_1 (86× used)
38. grim_reaper (84× used)
39. bad_cap (78× used)
40. detective (73× used)
41. wizard (67× used)
42. joker (67× used)
43. sushi (62× used)
44. cubix (61× used)
45. king (61× used)
46. evil_bot (60× used)
47. grey_cat (59× used)
48. orca (58× used)
49. narwhal (57× used)
50. mad_scientist (56× used)
51. mummy (52× used)
52. cat (52× used)
53. headset (51× used)
54. peach (49× used)
55. spikes (48× used)
56. yeti (48× used)
57. anniversary_3 (47× used)
58. parrot (42× used)
59. security_bot (42× used)
60. fries (41× used)
61. rplace (40× used)
62. lunar_dragon (37× used)
63. murica (35× used)
64. wolf (35× used)
65. white_demon (35× used)
66. siren (34× used)
67. ninja (34× used)
68. eliminated (33× used)
69. shades (32× used)
70. angel (31× used)
71. country_nl (30× used)
72. ghost (30× used)
73. top_hat (29× used)
74. astronaut (27× used)
75. cyborg_2 (27× used)
76. bow_tie (26× used)
77. shark_attack (25× used)
78. alien (25× used)
79. devil (23× used)
80. festive_lights (21× used)
81. bee_costume (20× used)
82. treasure_chest (20× used)
83. block (19× used)
84. country_us (18× used)
85. apple (17× used)
86. whale (17× used)
87. rabbit (17× used)
88. bunny_costume (16× used)
89. blue_dinosaur (16× used)
90. scuba_diver (16× used)
91. country_de (16× used)
92. bandit (15× used)
93. ramen (15× used)
94. curious_bot (15× used)
95. tiger (14× used)
96. country_fr (14× used)
97. icefox (13× used)
98. cow (12× used)
99. country_se (12× used)
100. boby (12× used)
101. leprechaun (12× used)
102. country_be (12× used)
103. country_pl (11× used)
104. country_gb (11× used)
105. country_au (11× used)
106. carrot_costume (11× used)
107. pirate (10× used)
108. country_il (10× used)
109. monkey (10× used)
110. mecha (10× used)
111. dinosaur (10× used)
112. firefox (9× used)
113. country_fi (9× used)
114. graffiti (8× used)
115. country_no (8× used)
116. shape (8× used)
117. science_adept (8× used)
118. fairy (8× used)
119. mark (8× used)
120. country_cz (8× used)
121. burger (8× used)
122. steampunk (7× used)
123. country_ro (7× used)
124. red_cocoa (7× used)
125. spy (6× used)
126. country_it (6× used)
127. nutcracker (6× used)
128. country_gr (6× used)
129. country_es (6× used)
130. polar_bear (6× used)
131. green_cocoa (5× used)
132. country_ca (5× used)
133. hamster (4× used)
134. country_si (4× used)
135. country_ru (4× used)
136. black_crown (4× used)
137. country_hu (4× used)
138. banana (4× used)
139. firefighter (4× used)
140. country_ch (4× used)
141. alice (4× used)
142. unicorn (4× used)
143. jailbreak (4× used)
144. pineapple (3× used)
145. country_hr (3× used)
146. popcorn (3× used)
147. pig (2× used)
148. artist (2× used)
149. yellow_crown (2× used)
150. burglar (2× used)
151. buffalo (1× used)
152. stinger (1× used)
153. blue_crown (1× used)
154. fossil (1× used)
155. alfie (1× used)
156. white_crown (1× used)
157. laurel (1× used)
158. cardboard_box (1× used)