ThunderClan is one of the 4 clans around the lake. Its leader is Bramblestar, deputy, Squirrelflight, and medicine cat is Jayfeather and Alderpaw. They have lived in the forest and by the lake, and participated in the Great Journey. ThunderClan is also the fierce, loyal, and courageous clan. They hunt in the forest, and eat prey such as mice, voles, squirrels, birds and occasionally rabbits.
Here is more info. ~Spottedwing