"Male"@en . . "Superhero"@en . . . "Dog"@en . . "Sirius the Super Dog is Supernova's sidekick. His only superpower is flight. He wears a purple cape."@en . . . . "\"The Secret Origin of Supernova\""@en . "Sirius the Super Dog"@en . . . . . "Sirius the Super Dog is Supernova's sidekick. His only superpower is flight. He wears a purple cape."@en .