What type of cat is firestar?

In the series WARRIORS, Firestar is the main character. His first name was Rusty when he was a house cat, but then met Thunderclan. He joined them and got his apprentice name: Firepaw. In one of the books, he becomes a warrior and gets his warrior name fireheart then Finally, he becomes leader and is named Firestar because all the leaders of Windclan, Shadowclan, and Riverclan end in star. ex. Tallstar, Brokenstar, etc..