#Tesla was founded in July 2003 by Martin Eberhard and Marc Tarpenning as Tesla Motors. Elon Musk coming and JB Straubel joined the company months later.
Elon Musk also didn't found #PayPal but he foundeded X.com and it merged with Confinity. That entity then became PayPal. Elon was replaced by Peter Thiel as CEO but he retained his shares. The funds from the sale to EBay is what allowed Elon to start his present 'empire'.
@stux — Musk’s Wikipedia entry is laughably a bit massaged in his favor (“founder, CEO and chief engineer[b] of SpaceX; angel investor, CEO and product architect of Tesla, Inc. …”, etc.), but entry does note his father’s co-ownership of emerald mines in Zambia. After move by mother/Musk/sibs to Canada after parents divorced, his dad still helped fund his/brother’s software effort that eventually got folded into PayPal. He was not a pauper.
https://en.m.wikipedia.org/wiki/Elon_Musk
Elon Musk - Wikipedia