146 known values for skin with current usage counts:

1. default (21323× used)
2. red (16120× used)
3. green (10764× used)
4. follower (3843× used)
5. clown (1141× used)
6. trapper (943× used)
7. vampire (858× used)
8. lab_apprentice (797× used)
9. snowman (556× used)
10. helmet_banana (555× used)
11. og_white (470× used)
12. anniversary (447× used)
13. rural_fella (415× used)
14. cool_cap (412× used)
15. party_hat (396× used)
16. daisy (395× used)
17. gingerbread (309× used)
18. panda (232× used)
19. gift_box (227× used)
20. pumpkin (213× used)
21. monk (202× used)
22. black_dog (187× used)
23. og_purple (179× used)
24. dog (167× used)
25. builder (159× used)
26. anniversary_2 (158× used)
27. edm (152× used)
28. toaster (134× used)
29. demon (126× used)
30. tea_cup (120× used)
31. og_yellow (114× used)
32. og_pink (108× used)
33. cyborg_3 (102× used)
34. reindeer (91× used)
35. elf (88× used)
36. cyborg_1 (87× used)
37. grim_reaper (84× used)
38. green_spikes (82× used)
39. bad_cap (78× used)
40. wizard (65× used)
41. cubix (63× used)
42. detective (63× used)
43. evil_bot (60× used)
44. grey_cat (58× used)
45. king (56× used)
46. mummy (54× used)
47. headset (50× used)
48. peach (50× used)
49. cat (50× used)
50. joker (50× used)
51. yeti (49× used)
52. spikes (49× used)
53. narwhal (48× used)
54. sushi (47× used)
55. security_bot (46× used)
56. mad_scientist (44× used)
57. fries (42× used)
58. orca (41× used)
59. rplace (41× used)
60. parrot (38× used)
61. white_demon (38× used)
62. siren (37× used)
63. angel (35× used)
64. lunar_dragon (35× used)
65. ghost (32× used)
66. shades (32× used)
67. ninja (31× used)
68. murica (31× used)
69. bow_tie (30× used)
70. country_nl (30× used)
71. wolf (29× used)
72. eliminated (28× used)
73. top_hat (27× used)
74. cyborg_2 (27× used)
75. shark_attack (25× used)
76. astronaut (24× used)
77. devil (23× used)
78. festive_lights (21× used)
79. treasure_chest (20× used)
80. country_us (19× used)
81. bee_costume (17× used)
82. alien (17× used)
83. rabbit (16× used)
84. country_fr (15× used)
85. tiger (15× used)
86. country_de (15× used)
87. scuba_diver (15× used)
88. curious_bot (15× used)
89. bunny_costume (14× used)
90. bandit (14× used)
91. country_il (14× used)
92. blue_dinosaur (13× used)
93. boby (12× used)
94. whale (12× used)
95. country_gb (12× used)
96. ramen (11× used)
97. country_se (11× used)
98. pirate (11× used)
99. block (11× used)
100. country_be (11× used)
101. country_au (11× used)
102. carrot_costume (11× used)
103. country_pl (10× used)
104. country_fi (10× used)
105. cow (9× used)
106. country_it (9× used)
107. dinosaur (9× used)
108. fairy (8× used)
109. monkey (8× used)
110. country_cz (8× used)
111. leprechaun (8× used)
112. red_cocoa (8× used)
113. polar_bear (7× used)
114. country_ro (7× used)
115. country_no (7× used)
116. country_ru (6× used)
117. unicorn (6× used)
118. country_gr (6× used)
119. spy (6× used)
120. country_ca (6× used)
121. mark (6× used)
122. science_adept (6× used)
123. hamster (5× used)
124. firefighter (5× used)
125. nutcracker (5× used)
126. country_es (5× used)
127. shape (5× used)
128. burger (5× used)
129. country_hu (4× used)
130. steampunk (4× used)
131. country_ch (4× used)
132. popcorn (3× used)
133. country_si (3× used)
134. green_cocoa (3× used)
135. artist (3× used)
136. country_hr (3× used)
137. yellow_crown (2× used)
138. alice (2× used)
139. stinger (2× used)
140. mecha (2× used)
141. graffiti (1× used)
142. black_crown (1× used)
143. fossil (1× used)
144. laurel (1× used)
145. cardboard_box (1× used)
146. burglar (1× used)