Whose Hellos Are These, Anyway?

In the quirky town of Mishapburg, you wake up one morning to find handwritten notes plastered all over the place, all saying 'Hello!' but signed with bizarre names. Who wrote them? As you decipher the messages, you find yourself entangled in a ridiculous yet thrilling investigation involving eccentric townsfolk, mysterious plot twists, and, of course, an outrageous cake-baking contest that serves as the town's most prestigious event. Will you uncover the identity of the 'Hello' master before the competition ends, or will Mishapburg remain a land of peculiar greetings forever?