She is a tiny floating flame that follows Mabel around. Her flames are colored orange. She has brown eyes and a small mouth. When she is about to die, her body is starts to turn blue and next, brown. Her arms are stick-like. Her feet is not shown, but they pop out if she wants to stand on land.
She is very curious and inquisitive, always asking Mabel what is she seeing. She is a good friend to her, and is very loyal to the gang as well. If she sees her friends in trouble, she immediately helps them.
She can be a little bit of a coward, and hides from huge monsters. She is talkative, as interrupting Mabel when she is about to say something, which annoys her.