Valmiki Ramayana Aranya Kanda Sarga 7 Shloka 5

तत्र there (at the hermitage), रामः Rama, मलपङ्कजठाधरम् with soiled, matted hair, आसीनम् seated, तपोवृद्धम् grown old with penance, तापसम् ascetic, सुतीक्ष्णम् Sutikshna, विधिवत् as per tradition, अभाषत spoke.

There at the hermitage was Sutikshna, an ascetic grown old with (long) penance, wearing soiled, matted locks and seated. Rama (first) addressed him as per custom.