She is a superhero whose superpowers include Telekinesis, Heat Breath and Freeze Breath. Her superhero name is Thunder Girl. Like the rest of her family, Phoebe has superpowers and is training to become a superhero.Phoebe is the oldest daughter of Barb and Hank Thunderman, alongside her twin brother Max Thunderman. She was born 20 seconds earlier than Max. Her younger siblings are Billy, Nora and Chloe Thunderman, and they are the Thunder kids