Valmiki Ramayana Aranya Kanda Sarga 32 Shloka 21

सा that, राक्षसी demoness i, सर्वभूतानाम् of all beings, रावणम् one who makes others cry, सर्वलोकभयावहम् creates fear among all beings, शूरम् a valiant, महाबलम् very strong, भ्रातरम् brother, ददर्श saw.

That demoness , Surpanakha saw her very strong,valiant brother Ravana who made all beings cry and created fear in all worlds