They're a group of chinstrap penguins who play 'Simon Says' with Diego and Pepito . They Made Their First Appearance Was In "Pepito's Penguin School." Their Last Appearance Was In "Chinstrap Penguin Express" Where Diego, Dora, Blue, Sprinkles & Baby Jaguar Travel To The Artic To Help Diego's Friend, Mike The Penguin Rescuer Bring The Chinstrap Penguins To their New Homes On Penguin Island.