The one with the eight (ashta) bends. Son of Kahoda and Sujatha.
Ashtavakra composed the Ashtavakra Gita.
For the story of Ashtavakra visit
http://hindumythologyforgennext.blogspot.com/2012/04/ashtavakra-part-1-of-3.html
For Ashtavakra Gita visit
https://www.astrojyoti.com/astavakragita.htm