His name is not derived from Lord Shiva but in fact a regional deity by the name of Shivai.
he never compromised on his own religious roots and tried reviving all the positive aspects of Hinduism
He helped people who wanted to convert to Hinduism. In fact, he married his own daughter to a converted Hindu.
He had many Muslims in his military ranks as well.
He converted his army of 2,000 men into 10,000 soldiers.
He was smart enough to establish a navy to protect the coastline.
He defeated Afzal Khan in a one-on-one battle. Afzal Khan was a veteran general and superior to Shivaji in size & strength.
He stood for the honour of women and made sure none were taken prisoners.