"I heard Mu'awiyah bin Abu Sufyan say that Messenger of Allah said: "The Mu'adh-dhin will have the longest necks of all people on the Day of Resurrection." (Using translation from Ibn Mājah 725)
"إِنَّ الْمُؤَذِّنِينَ أَطْوَلُ النَّاسِ أَعْنَاقًا يَوْمَ الْقِيَامَة".