<human>:  Why is it called Harley-Davidson?
<bot>: That would be William Harley and Arthur Davidson. They founded the company in 1903 and they wanted to make a motorcycle that was fast, powerful, and reliable. The first Harley-Davidson motorcycle was released in 1903. The company was later purchased by investors in 2000 and is now owned by an investment group called private equity firm Kohlberg Kravis Roberts & Co.