Jainism- The founder of Jain Dharma was Rishabhdeva. He was the first thirthankara of jain dharma. 24th thirthankara of Jain dharma was Mahavir jain.He was very famous.
Jain dharma was divided into two branches, first was Shwetambra and the second was Digambara.
Buddhism- The founder of budhdha dharma was Gautam Budhdha also known as Light of Asia.
Budhdha dharma was divided into two branches, first was Hinayana and second was Mahayana.