She is fictional.
same as Superman's
Supergirl's personality is typically portrayed as brave, compassionate, determined, and optimistic. She embodies the ideal of a strong, independent, and selfless hero, often focused on protecting and helping others.
You talk to the Poketch President often (I think he gives you about five or so), and other people give them to you. Here is a list (this doesn't include the apps that are already included with the poketch): Notepad: Recieve from Poketch president after first badge Friendship Checker: Recieve from a brown haired girl in Eterna City's Pokemon Center Itemfinder: Dawn/Luke on route 207 Berry Finder: Recieve in Soil Shop (Route 208) Day Care Checker: Man inside Day Care will give it to you after you leave a Pokemon Pokemon History: Man outside of Pokemon Center in Solaceon Town Counter: Second Floor of Veilstone Department Store Analog Clock: Karate man's house in southwest Celestic Town Marking Map: Poketch President after third badge Wi-fi searcher: Poketch President after fifth badge Coin Toss: House on route 213/Valor Lakefront (Rock Climb needed) Calender: Bring a Serious Pokemon to a man in Sunnyshore Dot Art: Bring a Naive Pokemon to a man in sunnyshore Roulette: Bring a Quirky Pokemon to a man in Sunnyshore Pokeradar Checker: Professor Oak in Pal Park Kitchen Timer: Show a Snorlax to a Brown-haired girl in Pal Park Color Changer: show a Kecleon to a brown-haired girl in Pal Park All other apps are from Nintendo events