 The nature of her gaseous state is affected by her moods, this 'Mood-Gas' can become different vapors such as acid, (which she makes the most use out of, she also learned to compress these and blow them out like darts, calling them "Puff Darts"), knockout gas, which she can exhale at targets and victims, or a combustible gas, (which she can ignite using a blowtorch).According to her first appearance in "Bent Out of Shape", in season 1, Puff and her partner in crime, Onyx dropped out of school after they got their powers, afterwards they lived on the street and Puff started calling herself "Puff".She has more of a temper than Onyx.