The Groke appears as a sheet ghost-like, hill-shaped body with two cold staring eyes and a wide row of white shiny teeth beneath a large and wide triangular nose. In the book
Who Will Comfort Toffle?, it is mentioned that she has a tail, but it has never been seen. Wherever she stands, the ground below her freezes, plants and grass die and if she stands in place too long the soil itself will die and nothing will ever grow there again. She leaves a trace of ice and snow when she walks the ground. Anything that she touches will freeze. On one occasion, she froze a campfire by sitting down on it, and she is even noted to make people cold by her stare. She seeks friendship and warmth, but she is declined by everyone and everything, leaving her in her cold cavern on top of the Lonely Mountains. , Finland On one occasion in a comic, however, she was hailed as a heroine when she, in her constant search for warmth, extinguished a forest wildfire by sitting on it. In another comic,
Sniff has made a magical potion with seemingly random effects. In curiosity, he drips a few drops on an ant which then transforms into the Groke. It is never made clear if this is how the Groke came to be, or if the ant transformed to another creature of the same type. In her debut story,
Finn Family Moomintroll, she is mistreated, when two small characters,
Thingumy and Bob, steal one of her possessions. When she comes after them, they hide with the Moomin family, and refuse to give up the stolen goods. However, when she arrives at the Moomin house, she eventually trades the stolen goods for the Hogoblins hat. The Groke rarely shows any fear, as everyone around is afraid of her, but in one instance, when she wants to ride a horse made of snow, Moomin tells her it is for
The Lady of the Cold, a personification of winter and coldness, who freezes all that she sees. The Groke then quickly withdraws from the scene, indicating that not even she can withstand the personification of winter. In the story "Who Will Comfort Toffle?", she is also shown to be sensitive to pain, when her shin is bitten by the protagonist and she flees the scene in a haste. == Interpretation ==