In Ramayana, chAranAs were mentioned in Yuddha Kanda. In this site of Ramayana, they were described as as Celestial bards.
आविवेश महान् हर्षो देवानां चारणैः सह | रावने निहते रौद्रे
सर्वलोकभयंकरे || ६-१०८-३०
When Ravana, the cruel demon and the terror of all the worlds, was
killed, a great rejoice filled the hearts of gods and chAranAs, the
While sending Vanara troop, under the leadership of Angada, Sugriva says chAranAs were residing on Mount Mahendra, from where Sri Hanuman jumped towards Lanka.
नाना विधैः नगैः फुल्लैः लताभिः च उपशोभितम् || ४-४१-२१ देव ऋषि यक्ष
प्रवरैः अप्सरोभिः च सेवितम् | सिद्ध चारण संघैः च प्रकीर्णम् सुमनोहरम्
|| ४-४१-२२ तम् उपैति सहस्राक्षः सदा पर्वसु पर्वसु |
"Mt. Mahendra is glorified with numerous kinds of flowered trees and
climbers. Important gods, sages, yaksha-s and even apsara-s will adore
it, and it is overspread with the groups of siddha-s and caarana-s,
and thus it will be heart-stealing for a look. And the Thousand-eyed
Indra will always be visiting that Mt. Mahendra on every auspicious
Sugriva even says that chAranAs are living on another Mountain by name Pushpitaka, was present after crossing 100 Yojanas from Lanka of Ravana.
म् अतिक्रम्य लक्ष्मीवान् समुद्रे शत योजने |
गिरिः पुष्पितको नाम सिद्ध चारण सेवितः || ४-४१-२८
"On crossing over that isle and after a hundred yojana-s a mountain named Pushpitaka is there in that august ocean, which is adored by the celestials like siddha-s, caarana-s
They were also mentioned in Sundara Kanda, along with Siddhas. They can move in air.
शुश्रुवुश्चतदा शब्दमृषीणां भावितात्मनाम्| चारणानां च सिद्धानां
Then they heard words of Charanas, Siddhas and pure hearted Rishis, who
were located in that clear sky.
After igniting the Lanka, Sri Hanuman doubts whether Sita was alive. IT was then chAranAs, the great souls (महात्मनाम्) say that Sita was very much alive.
स तथा चिन्तयन् तत्र देव्या धर्म परिग्रहम् | शुश्राव हनुमान् वाक्यम्
चारणानाम् महात्मनाम् || ५-५५-२९
Hanuma, who was thus thinking there about the overpowering virtue of
Seetha, happened to hear the words of the high-souled charanas
दग्धा इयम् नगरी लन्का साट्ट प्राकार तोरणा |
जानकी न च दग्धा इति विस्मयो अद्भुत एव नः || ५-५५-३२
"It is just so surprising a marvel to us that the entire City with its market-places, ramparts and arched door-ways, was burnt, but Seetha alone was not burnt."
After Sati, the wife of Shiva, turned into ashes, Chaaranas, along with Devas, fought with the Ganas of Veerabhadra. However, they were defeated by the Ganas of Veerabhara, and left the place of Yagna of Daksha.