ɐkˈoːɹdɪŋ tə ɹᵻsˈɜːtʃ ɪn sɛptˈɛmbɚ nˈaɪntiːnhˈʌndɹɪd nˈaɪnti sˈɪks baɪ dˈeɪnɪʃ ˌænθɹəpˈɑːlədʒˌɪst tˈʌn ˈɑːɾoʊ fɹʌm ˈɑːɹhəs jˌuːnɪvˈɜːsᵻɾi ɹᵻɡˈɑːɹdɪŋ ðə mˈʌdmɛn, ðə tɹɐdˈɪʃən ɪz ˌʌndɪnˈaɪəbli ɐn ɐsˈæɹoʊ ɪnvˈɛnʃən.
According to research in September 1996 by Danish anthropologist Ton Otto from Aarhus University regarding the Mudmen, the tradition is undeniably an Asaro invention.