Imitate the original. Harry Potter was fostered in his uncle's house since childhood, and was discriminated and bullied by his uncle's family until Hagrid came to pick him up at Hogwarts. Hagrid made him a birthday cake at 1 1 year old. The cake was cracked and didn't sell well, but Harry was moved by it. Harry Potter cake imitates the original. Harry Potter, the protagonist of the British female writer JK Rowling's magical series of novels Harry Potter and its derivative works, is the only son of Zhan Mu Potter and Lily Potter, born on1July 3, 9801day.