A possible concise summary is:
Cody, a boy who discovers he is a rich and famous wizard, goes to Hogwarts and faces various challenges such as flying a broom, playing quidditch, and defeating an evil professor with a second face on his head. He also tries to find out who is the mysterious person who killed his parents and wants to kill him too. The summary is a parody of Harry Potter.
Here are some possible key facts extracted from the text:
1. Cody Potter is a boy who discovers he is a wizard and goes to Hogwarts.
2. Cody Potter is rich and famous because his parents left him a fortune and he survived an attack from a dark wizard.
3. Cody Potter joins the Hufflepuff house and becomes a Quidditch player.
4. Cody Potter finds the Sorcerer's Stone and defeats Professor Quirrell, who has another face on the back of his head.
5. Cody Potter returns home for the summer after his first year at Hogwarts.