Traditionally the arranger of the Vedas and author of the Mahābhārata and Purāṇas.
Scripture
Bhagavad Gītā
श्रीमद्भगवद्गीता
The dialogue of Kṛṣṇa and Arjuna in 18 chapters, set in the Bhīṣma Parva of the Mahābhārata.
Person
व्यास Vyāsa
Kṛṣṇa Dvaipāyana Vyāsa, traditionally the compiler of the Vedas and author of the Mahābhārata.