A river as per Mahabharata Bhishmaparva Chapter 9 verse 27.

The kshatriyas of Kosala. They escaped to the south fearing Jarasandha as per Mahabharata Sabhaparva Chapter 14 verse 27.

See Nishakara

A region in ancient India which was conquered by Arjuna as per Mahabharata Ashwamedhaparva Chapter 83.

A caste, who were kshatriyas earlier. A group of brahmins cursed them into becoming shudras as per Mahabharata Anushasanaparva Chapter 33 verse 22.

Also known as Kokila. A rat, who is a character in Bidalopakhyana, the story that Narada once narrated to Dhritarashtra. Once a cat stood on the banks of the Ganga, with both arms outstretched and began meditating. After some time had elapsed, the birds and rats began trusting him and made him their leader. The cat, however, secretly ate a rat everyday. The cat became stronger and the rats became fewer in number. Kolika was a smart rat who finally figured out what the cat was up to, and escaped with his friends, as per Mahabharata Udyogaparva Chapter 160.

A famous asura. During the deva-asura war in which the devas were led by Subramanya, Kolahala died at the hands of Malyavan as per Padmapurana Part 4 Chapter 13.