Final answer:
The Cheering Charm is a fictional spell from the Harry Potter series, taught at Hogwarts by Professor Filius Flitwick, with no real-world inventor.
Step-by-step explanation:
The invention of the Cheering Charm is a detail that comes from the fictional world of Harry Potter, and as such, does not have a real-world inventor. In the context of the Harry Potter series, the Cheering Charm is a spell used to create a sense of contentment and happiness in the person upon whom it is cast. It comes from the magical universe created by author J.K. Rowling and is taught to Hogwarts students during their third year Charms class by Professor Filius Flitwick. The Cheering Charm, also known as the Exultatio Charm, is a spell in the Harry Potter series invented by Professor Flitwick. It is used to cheer up individuals and make them feel happier. One example of the use of the Cheering Charm is when Hermione used it to cheer up Ron after he failed his Divination exam.