About famous names: Nickelback

Where did the name Nickelback come from?

Nickelback is a Canadian rock band formed by Chad Kroeger, Ryan Peake, Mike Kroeger e Daniel Adair. How did the band's name come up?
This is the story: Mike Kroeger, the bassist, used to work at Starbucks, the multinational coffee house chain, before becoming famous.
Every day, as he served coffee, he had to give customers their change, usually a five-cent coin. Mike used to repeat all day long: "Here's your nickel back." Hence, the name.