Whose Hello Is It, Anyway?

In a world where every greeting comes with a unique power, you play as 'Sal Longo', an underappreciated knob-twiddler who stumbles upon a bizarre festival known as the 'Hello-a-thon'. Every participant wields strange and chaotic abilities tied to their greetings. As Sal, you must navigate this unpredictable gathering, uncovering secrets, dealing with quirky characters, and utilizing clever wordplay to outwit surging rivals and solve a central mystery. Can you figure out who among the colorful crowd is manipulating greetings for their benefit and stop them before they unleash chaos upon the world?