hiː ɪz fˈɜːst ɛŋkˈaʊntɚd ɪnðə mˈʌmi kˈeɪs, æz ðə mˈæstɚmˌaɪnd əvən ˈɔːɹɡənˌaɪzd ɡˈæŋ ʌv θˈiːvz ɐtˈɛmptɪŋ tə stˈiːl æntˈɪkwᵻɾiz fɹʌm dˈɑːʃoːɹ, ɪnwˌɪtʃ hiː ɪz pˈɑːɹʃəli fˈɔɪld baɪ ɐmˈiːliə pˈiːbɑːdi ænd hɜː hˈʌsbənd, ɹˈædklɪf ˈɛmɚsən.
He is first encountered in The Mummy Case, as the mastermind of an organized gang of thieves attempting to steal antiquities from Dahshoor, in which he is partially foiled by Amelia Peabody and her husband, Radcliffe Emerson.