sˈɪns tˈuː θˈaʊzənd fˈɪftiːn, pɹɪkˈɑːp hɐz ˈɔːlsoʊ bˌɪn vˈɔɪsɪŋ ðə kˈæɹɪktɚɹ ʌv bˈɪl kˈɑːnoʊli ɪnðɪ ˈɔːdɪˌoʊ dɹˈɑːmə sˈɪɹiz dʒˈɑːn sˈɪŋklɛɹ dˈiːmən hˈʌntɚ, wˌɪtʃ ɪz bˈeɪst ɔnðə hˈɔɹɚ dɪtˈɛktɪv sˈɪɹiz ʌv nˈɑːvəlz ɹˈɪʔn̩ baɪ hˈɛlmʌt ɹˈɛlɚdʒˌɜːd.
Since 2015, Prekopp has also been voicing the character of Bill Connolly in the audio drama series John Sinclair – Demon Hunter, which is based on the horror detective series of novels written by Helmut Rellergerd.