Explanation:

- Chandragupta Maurya: He, with the guidance of Kautilya, also known as Chanakya, successfully overthrew the Nanda dynasty. This led to the founding of the Mauryan Empire in 322 BC.

- Ashoka: A Mauryan emperor, but he reigned later. He is known for his spread of Buddhism and not related to the overthrow of Dhanananda.

- Akbar: A Mughal emperor who ruled much later in the 16th century. He was not involved with the Nandas or Mauryas.

- Kalashoka: A figure associated with the Shisunaga dynasty before the time of the Nandas; unrelated to their overthrow.