Shiver is also known as a Lava Troll and it is very big Ice Troll that lives in the Fire Island Volcano instead of Sundog Island like most of the Trolls. He or she is the leader of the Ice Trolls and the lord of Sundog Island. Shiver was first introduced in Wonderland Adventures: Mysteries of Fire Island and he or she teaches the player Pow magic and give the Friend Glyph to the player. The Time Glyph will help the player to get back home. He or she is the only Ice Troll who lives under a Volcano of Fire Island instead of Sundog Island.