Ramayana
भीमरूपामहाकायाःप्रहस्तस्यपुरस्सराः । नरान्तकःकुम्भहनुर्महानादस्समुन्नतः ॥ ६-५७-३१
They (Rakshasas) were of fierce appearance and of huge body size, marching ahead of Prahastha. Naranthaka, Kumbhahanu, Mahanada, Samunnatha - ॥ 6-57-31॥
english translation
bhImarUpAmahAkAyAHprahastasyapurassarAH । narAntakaHkumbhahanurmahAnAdassamunnataH ॥ 6-57-31
hk transliteration by Sanscript