Ramayana
कुम्भश्चैव निकुम्भश्च राक्षसौ भीमदर्शनौ । दिष्ट्या तौ निहतौ राम कुम्भकर्णसुतौ मृधे ॥ 7-1-24 ॥
'Kumbha and Nikumbha, those fierce-looking Rakshasas, the sons of Kumbhakarna — by good fortune, both were slain by you in battle, O Rama.'
english translation