Founder who started jainsim?

As per the Jain religion belief, the Start of the Jain Religion is from infinite time back. So no body knows "who is the founder".=But Bhagvan(God) "Vardhaman Mahavir" Publicized the Jain Religion in 600 B.C. is sometimes referred as founder of the Jainism.==But there are strong facts available to prove the existence of Jainism before "Bhagvan Mahavir"==There are total 24 Arihant(god) in Jainism, and Bhagvan Mahavir is the last one.==The first Arihant "Bhagvan HrishabhDev" is said to be 10 million years B.C.=