155 known values for skin with current usage counts:

1. default (21694× used)
2. red (16418× used)
3. green (11003× used)
4. follower (4020× used)
5. clown (1138× used)
6. trapper (943× used)
7. vampire (858× used)
8. lab_apprentice (799× used)
9. helmet_banana (558× used)
10. snowman (556× used)
11. og_white (472× used)
12. anniversary (446× used)
13. rural_fella (414× used)
14. cool_cap (413× used)
15. party_hat (394× used)
16. daisy (393× used)
17. gingerbread (306× used)
18. panda (232× used)
19. gift_box (224× used)
20. pumpkin (213× used)
21. monk (207× used)
22. black_dog (191× used)
23. og_purple (183× used)
24. dog (168× used)
25. anniversary_2 (160× used)
26. builder (160× used)
27. edm (153× used)
28. toaster (137× used)
29. demon (128× used)
30. tea_cup (122× used)
31. og_yellow (115× used)
32. og_pink (108× used)
33. cyborg_3 (100× used)
34. reindeer (89× used)
35. cyborg_1 (89× used)
36. elf (88× used)
37. green_spikes (85× used)
38. grim_reaper (85× used)
39. bad_cap (78× used)
40. detective (69× used)
41. wizard (67× used)
42. cubix (62× used)
43. evil_bot (60× used)
44. king (59× used)
45. joker (59× used)
46. grey_cat (59× used)
47. sushi (55× used)
48. mad_scientist (54× used)
49. orca (53× used)
50. narwhal (52× used)
51. mummy (52× used)
52. headset (51× used)
53. cat (50× used)
54. peach (48× used)
55. spikes (48× used)
56. yeti (47× used)
57. anniversary_3 (46× used)
58. security_bot (44× used)
59. rplace (41× used)
60. fries (38× used)
61. lunar_dragon (38× used)
62. white_demon (35× used)
63. ninja (35× used)
64. murica (35× used)
65. siren (35× used)
66. parrot (33× used)
67. shades (33× used)
68. angel (32× used)
69. country_nl (30× used)
70. ghost (30× used)
71. eliminated (30× used)
72. wolf (29× used)
73. top_hat (28× used)
74. astronaut (27× used)
75. cyborg_2 (26× used)
76. bow_tie (26× used)
77. shark_attack (25× used)
78. festive_lights (22× used)
79. devil (22× used)
80. alien (21× used)
81. treasure_chest (20× used)
82. bee_costume (17× used)
83. rabbit (17× used)
84. country_us (17× used)
85. apple (16× used)
86. whale (15× used)
87. country_de (15× used)
88. scuba_diver (15× used)
89. ramen (15× used)
90. curious_bot (15× used)
91. bunny_costume (15× used)
92. blue_dinosaur (14× used)
93. bandit (14× used)
94. tiger (14× used)
95. country_fr (14× used)
96. country_il (12× used)
97. leprechaun (12× used)
98. pirate (12× used)
99. cow (12× used)
100. country_se (11× used)
101. block (11× used)
102. country_gb (11× used)
103. mecha (11× used)
104. dinosaur (11× used)
105. country_be (11× used)
106. carrot_costume (11× used)
107. country_pl (10× used)
108. monkey (10× used)
109. country_au (10× used)
110. graffiti (9× used)
111. country_fi (9× used)
112. boby (9× used)
113. country_no (8× used)
114. fairy (8× used)
115. country_cz (8× used)
116. red_cocoa (8× used)
117. science_adept (8× used)
118. icefox (8× used)
119. country_ro (7× used)
120. unicorn (7× used)
121. country_it (7× used)
122. spy (7× used)
123. shape (7× used)
124. firefox (6× used)
125. country_gr (6× used)
126. firefighter (6× used)
127. country_es (6× used)
128. mark (6× used)
129. polar_bear (6× used)
130. country_hu (5× used)
131. nutcracker (5× used)
132. steampunk (5× used)
133. country_ca (5× used)
134. burger (5× used)
135. country_ru (4× used)
136. green_cocoa (4× used)
137. alice (4× used)
138. country_ch (4× used)
139. pineapple (4× used)
140. country_si (4× used)
141. banana (3× used)
142. country_hr (3× used)
143. cardboard_box (3× used)
144. popcorn (3× used)
145. black_crown (2× used)
146. jailbreak (2× used)
147. hamster (2× used)
148. yellow_crown (2× used)
149. white_crown (1× used)
150. artist (1× used)
151. stinger (1× used)
152. alfie (1× used)
153. laurel (1× used)
154. burglar (1× used)
155. pig (1× used)