I know it's a term coined to represent the greatest warriors. Star plus's factually incorrect Mahabharata clearly stated it. They also clarified that the three men i.e. Bhishma, Arjuna and Drona fall under this category.Originally posted by: TheWatcher
Ati-Maharathi is a fictional term, It is as fictional as 'Andhe ka putra andha' , in KMG only Maharathi and Atirathi are used to define a warrior who is class apart.