The Avalanche Monster is a monstrous rock creature that lives in Avalanche Pass on Wonder Mountain. This rocky creature has really bad eyesight, as he is seen wearing glasses, but has a really good sense of hearing. The only word he rants is "Avalanche!" The Avalanche Monster terrorizes Red Fraggle and Mokey Fraggle as they try to continue their journey to Wonder Mountain until they lure him to the Singing Cactus after reading about the monster in order to continue their journey.