Śukadeva Gosvāmī, the son of Vyāsadeva, was also full in transcendental knowledge and was a great devotee of Lord Kṛṣṇa, son of Vasudeva. So there must have been discussion of Lord Kṛṣṇa, who is glorified by great philosophers and in the company of great devotees.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
वैयासकिश्च भगवान् वासुदेवपरायणः । उरुगायगुणोदाराः सतां स्युर्हि समागमे
vaiyāsakiśca bhagavān vāsudevaparāyaṇaḥ | urugāyaguṇodārāḥ satāṃ syurhi samāgame
SB 2.3.16